This table is an updated version of a table found in *Sentinels of the
Atomic Dawn: A Multiple -- Property Evaluation of the Remaining
Manhattan Project Properties at Los Alamos (1942-1946),* Historic
Building Survey Report No. 215, LA-UR-03-0726, McGehee et al., 2003, Los
Alamos National Laboratory, Los Alamos, New Mexico. The original table
is in Section 3 of the report (pages 47-51). This updated table lists
the eligibility and current 2005 status of the properties.

**Section 3---Property Summaries and Eligibility Recommendations**

+-----+------------------------+-------+-------+----------+-----------+
| **  | ######## BLDG NAME     | *     | **    | **Eli    | **2005    |
| TA- |                        | *Date | Assoc | gibility | Status**  |
| BLD |                        | Bu    | iated | Recommen |           |
| G** |                        | ilt** | The   | dation** |           |
|     |                        |       | me/** |          |           |
|     |                        |       |       |          |           |
|     |                        |       | **    |          |           |
|     |                        |       | Subth |          |           |
|     |                        |       | eme** |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **3 | **Storage Shed**       | 1945  | ?     | Not      | Not       |
| -47 |                        |       |       | Eligible | currently |
| 8** |                        |       |       |          | scheduled |
|     |                        |       |       | (        | for       |
|     |                        |       |       | portable | d         |
|     |                        |       |       | support  | emolition |
|     |                        |       |       | bldg.)   |           |
+-----+------------------------+-------+-------+----------+-----------+
| **3 | **Storage Shed**       | 1946  | ?     | Not      | Not       |
| -47 |                        |       |       | Eligible | currently |
| 9** |                        |       |       |          | scheduled |
|     |                        |       |       | (        | for       |
|     |                        |       |       | portable | d         |
|     |                        |       |       | support  | emolition |
|     |                        |       |       | bldg.)   |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Laboratory & Office  | 1944? | Deton | E        | D         |
| *6- | Bldg**                 |       | ators | ligible, | emolished |
| 1** |                        |       |       | A        |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Compressor Bldg**    | 1944? | Deton | E        | D         |
| *6- |                        |       | ators | ligible, | emolished |
| 2** |                        |       |       | A        |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Fabrication Bldg**   | 1944? | Deton | E        | D         |
| *6- |                        |       | ators | ligible, | emolished |
| 3** |                        |       |       | A        |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Laboratory Bldg**    | 1945? | Deton | E        | D         |
| *6- |                        |       | ators | ligible, | emolished |
| 5** |                        |       |       | A        |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Laboratory & Office  | 1945? | Deton | E        | D         |
| *6- | Bldg**                 |       | ators | ligible, | emolished |
| 6** |                        |       |       | A        |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Laboratory Bldg**    | 1945? | Deton | E        | D         |
| *6- |                        |       | ators | ligible, | emolished |
| 7** |                        |       |       | A&C      |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Laboratory Bldg**    | 1945? | Deton | E        | D         |
| *6- |                        |       | ators | ligible, | emolished |
| 8** |                        |       |       | A&C      |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Firing Chamber**     | 1945? | Deton | E        | D         |
| *6- |                        |       | ators | ligible, | emolished |
| 9** |                        |       |       | A&C      |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Concrete             | 1944  | Impl  | E        | To be     |
| 6-3 | Bowl/Experimental      |       | osion | ligible, | Retained  |
| 7** | Area**                 |       |       | A&C      |           |
|     |                        |       | (Pu   |          |           |
| **  |                        |       | Recov |          |           |
| (LA |                        |       | ery/A |          |           |
| 25  |                        |       | tomic |          |           |
| 284 |                        |       | Bomb) |          |           |
| )** |                        |       |       |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **T | **Bomb Cover**         | WWII  | Stoc  | E        | To be     |
| A-6 |                        | era   | kpile | ligible, | Retained  |
| (LA |                        |       |       | A        |           |
| 131 |                        |       |       |          |           |
| 234 |                        |       |       |          |           |
| C   |                        |       |       |          |           |
| )** |                        |       |       |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **T | **Firing Sites**       | WWII  | High  | E        | Not       |
| A-7 |                        | era   | Explo | ligible, | currently |
| (LA |                        |       | sives | A        | scheduled |
| 131 |                        |       | and   |          | for       |
| 235 |                        |       | Deton |          | d         |
| A,  |                        |       | ators |          | emolition |
| B,  |                        |       |       |          |           |
| and |                        |       |       |          |           |
| C   |                        |       |       |          |           |
| )** |                        |       |       |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Laboratory & Shop**  | 1943  | Gun   | E        | To be     |
| *8- |                        |       | D     | ligible, | Retained  |
| 1** |                        |       | evice | A&C      |           |
|     |                        |       | (A    |          |           |
|     |                        |       | tomic |          |           |
|     |                        |       | Bomb) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Shop & Storage       | 1943  | Gun   | E        | To be     |
| *8- | Bldg**                 |       | D     | ligible, | Retained  |
| 2** |                        |       | evice | A&C      |           |
|     |                        |       | (A    |          |           |
|     |                        |       | tomic |          |           |
|     |                        |       | Bomb) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Laboratory**         | 1943  | Gun   | E        | To be     |
| *8- |                        |       | D     | ligible, | Retained  |
| 3** |                        |       | evice | A&C      |           |
|     |                        |       | (A    |          |           |
|     |                        |       | tomic |          |           |
|     |                        |       | Bomb) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Control Laboratory** | 1944  | Impl  | E        | Not       |
| 11- |                        |       | osion | ligible, | currently |
| 1** |                        |       | (A    | A        | scheduled |
|     |                        |       | tomic |          | for       |
|     |                        |       | Bomb) |          | d         |
|     |                        |       |       |          | emolition |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Betatron Bldg**      | 1944  | Impl  | E        | Not       |
| 11- |                        |       | osion | ligible, | currently |
| 2** |                        |       | (A    | A&C      | scheduled |
|     |                        |       | tomic |          | for       |
|     |                        |       | Bomb) |          | d         |
|     |                        |       |       |          | emolition |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Cloud Chamber Bldg** | 1944  | Impl  | E        | Not       |
| 11- |                        |       | osion | ligible, | currently |
| 3** |                        |       | (A    | A&C      | scheduled |
|     |                        |       | tomic |          | for       |
|     |                        |       | Bomb) |          | d         |
|     |                        |       |       |          | emolition |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Shop/Implosion       | 1944  | Impl  | E        | Not       |
| 11- | Imaging**              |       | osion | ligible, | currently |
| 4** |                        |       | (A    | A        | scheduled |
|     |                        |       | tomic |          | for       |
|     |                        |       | Bomb) |          | d         |
|     |                        |       |       |          | emolition |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Firing Pit**         | 1945  | Imp   | E        | Not       |
| 12- |                        |       | losio | ligible, | currently |
| 4** |                        |       | n/Rec | A        | scheduled |
|     |                        |       | overy |          | for       |
|     |                        |       | (A    |          | d         |
|     |                        |       | tomic |          | emolition |
|     |                        |       | Bomb) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Shop and Dark Room** | 1944  | Impl  | E        | Not       |
| 14- |                        |       | osion | ligible, | currently |
| 6** |                        |       | (A    | A        | scheduled |
|     |                        |       | tomic |          | for       |
|     |                        |       | Bomb) |          | d         |
|     |                        |       |       |          | emolition |
+-----+------------------------+-------+-------+----------+-----------+
| **1 | **Laboratory and       | 1945  | Init  | E        | D         |
| 5-2 | Control Bldg**         |       | iator | ligible, | emolished |
| 3** |                        |       | Res   | A        |           |
|     |                        |       | earch |          |           |
|     |                        |       | and   |          |           |
|     |                        |       | Explo |          |           |
|     |                        |       | sives |          |           |
|     |                        |       | Te    |          |           |
|     |                        |       | sting |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Steam Plant/Machine  | 1944  | High  | Not      | D         |
| 16- | Shop**                 |       | Explo | Eligible | emolished |
| 7** |                        |       | sives |          |           |
|     |                        |       |       | (e       |           |
|     |                        |       |       | xtensive |           |
|     |                        |       |       | rem      |           |
|     |                        |       |       | odeling) |           |
+-----+------------------------+-------+-------+----------+-----------+
| **1 | **Cafeteria (now       | 1945  | High  | Not      | In use,   |
| 6-1 | Office)**              |       | Explo | Eligible | Not       |
| 6** |                        |       | sives | (e       | currently |
|     |                        |       | --    | xtensive | scheduled |
|     |                        |       | A     | rem      | for       |
|     |                        |       | dmin. | odeling) | d         |
|     |                        |       | Su    |          | emolition |
|     |                        |       | pport |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **1 | **Grinding Bldg**      | 1946  | High  | E        | In use,   |
| 6-5 |                        |       | Explo | ligible, | Not       |
| 4** |                        |       | sives | A        | currently |
|     |                        |       |       |          | scheduled |
|     |                        |       |       |          | for       |
|     |                        |       |       |          | d         |
|     |                        |       |       |          | emolition |
+-----+------------------------+-------+-------+----------+-----------+
| **1 | **Magazine**           | 1944  | High  | E        | To be     |
| 6-5 |                        |       | Explo | ligible, | Retained  |
| 8** |                        |       | sives | A        |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Laboratory/Test      | 1944  | Impl  | E        | D         |
| 16- | Bldg**                 |       | osion | ligible, | emolished |
| 476 |                        |       | (A    | A&C      |           |
| (   |                        |       | tomic |          |           |
| for |                        |       | Bomb) |          |           |
| mer |                        |       |       |          |           |
| 1   |                        |       |       |          |           |
| 3-2 |                        |       |       |          |           |
| )** |                        |       |       |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Laboratory/Test      | 1944  | Impl  | E        | D         |
| *16 | Bldg**                 |       | osion | ligible, | emolished |
| -47 |                        |       | (A    | A&C      |           |
| 7** |                        |       | tomic |          |           |
|     |                        |       | Bomb) |          |           |
| **( |                        |       |       |          |           |
| for |                        |       |       |          |           |
| mer |                        |       |       |          |           |
| 1   |                        |       |       |          |           |
| 3-3 |                        |       |       |          |           |
| )** |                        |       |       |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Laboratory and       | 1944  | Impl  | E        | D         |
| *16 | Machine Test Bldg**    |       | osion | ligible, | emolished |
| -47 |                        |       | (A    | A&C      |           |
| 8** |                        |       | tomic |          |           |
|     |                        |       | Bomb) |          |           |
| **( |                        |       |       |          |           |
| for |                        |       |       |          |           |
| mer |                        |       |       |          |           |
| 1   |                        |       |       |          |           |
| 3-4 |                        |       |       |          |           |
| )** |                        |       |       |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Process/Inspection   | 1944  | High  | E        | ##        |
| *16 | Bldg**                 |       | Exp   | ligible, |           |
| -51 |                        |       | losiv | A        | To be     |
| 6** |                        |       | esAss |          | Retained  |
|     |                        |       | embly |          |           |
|     |                        |       | (Tri  |          |           |
|     |                        |       | nity, |          |           |
|     |                        |       | Gun,  |          |           |
|     |                        |       | and   |          |           |
|     |                        |       | Impl  |          |           |
|     |                        |       | osion |          |           |
|     |                        |       | Dev   |          |           |
|     |                        |       | ices) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Proces               | 1944  | High  | E        | ##        |
| *16 | s/Inspection/Equipment |       | Expl  | ligible, |           |
| -51 | Bldg**                 |       | osive | A        | To be     |
| 7** |                        |       | s(Tri |          | Retained  |
|     |                        |       | nity, |          |           |
|     |                        |       | Gun,  |          |           |
|     |                        |       | and   |          |           |
|     |                        |       | Impl  |          |           |
|     |                        |       | osion |          |           |
|     |                        |       | Dev   |          |           |
|     |                        |       | ices) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Laboratory/Staging   | 1946  | Impl  | E        | To be     |
| 18- | Area ("Slotin Bldg")** |       | osion | ligible, | Retained  |
| 1** |                        |       | and   | A        |           |
|     |                        |       | Cri   |          |           |
|     |                        |       | tical |          |           |
|     |                        |       | Ass   |          |           |
|     |                        |       | embly |          |           |
|     |                        |       | and   |          |           |
|     |                        |       | Bi    |          |           |
|     |                        |       | oMed/ |          |           |
|     |                        |       |       |          |           |
|     |                        |       | H     |          |           |
|     |                        |       | ealth |          |           |
|     |                        |       | Ph    |          |           |
|     |                        |       | ysics |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Control Bldg         | 1944  | Impl  | E        | To be     |
| 18- | ("Battleship Bldg")**  |       | osion | ligible, | Retained  |
| 2** |                        |       | (A    | A&C      |           |
|     |                        |       | tomic |          |           |
|     |                        |       | Bomb) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Control Bldg         | 1944  | Impl  | E        | Not       |
| 18- | ("Battleship Bldg")**  |       | osion | ligible, | currently |
| 5** |                        |       | (A    | A        | scheduled |
|     |                        |       | tomic |          | for       |
|     |                        |       | Bomb) |          | d         |
|     |                        |       |       |          | emolition |
+-----+------------------------+-------+-------+----------+-----------+
| **1 | **Pond Cabin**         | 1914  | Early | E        | To be     |
| 8-2 |                        |       | Los   | ligible, | Retained  |
| 9** |                        |       | A     | A        |           |
|     |                        |       | lamos |          |           |
|     |                        |       | (pre- | (        |           |
|     |                        |       | Lab), | greatest |           |
|     |                        |       | and   | sign     |           |
|     |                        |       | Pu    | ificance |           |
|     |                        |       | and   | relates  |           |
|     |                        |       | Implo | to Early |           |
|     |                        |       | sion, | Los      |           |
|     |                        |       | R&D   | Alamos)  |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Office/Vault Bldg**  | 1945  | Pu    | Not      | D         |
| 21- |                        |       | Produ | Eligible | emolished |
| 1** |                        |       | ction | (e       |           |
|     |                        |       | (     | xtensive |           |
|     |                        |       | Early | rem      |           |
|     |                        |       | Stock | odeling) |           |
|     |                        |       | pile) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Laboratory Bldg**    | 1945  | Pu    | E        | Scheduled |
| 21- |                        |       | Produ | ligible, | for D&D\* |
| 2** |                        |       | ction | A        |           |
|     |                        |       | (     |          |           |
|     |                        |       | Early |          |           |
|     |                        |       | S     |          |           |
|     |                        |       | tockp |          |           |
|     |                        |       | ile), |          |           |
|     |                        |       | Bi    |          |           |
|     |                        |       | oMed/ |          |           |
|     |                        |       | H     |          |           |
|     |                        |       | ealth |          |           |
|     |                        |       | Ph    |          |           |
|     |                        |       | ysics |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Laboratory Bldg**    | 1945  | Pu    | E        | Scheduled |
| 21- |                        |       | Produ | ligible, | for D&D\* |
| 5** |                        |       | ction | A        |           |
|     |                        |       | (     |          |           |
|     |                        |       | Early |          |           |
|     |                        |       | Stock |          |           |
|     |                        |       | pile) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **2 | **Diesel Power Plant** | 1946  | Pu    | Not      | Scheduled |
| 1-1 |                        |       | Produ | Eligible | for D&D\* |
| 4** |                        |       | ction | (not     |           |
|     |                        |       | (Su   | sign     |           |
|     |                        |       | pport | ificant, |           |
|     |                        |       | B     | poor     |           |
|     |                        |       | ldg.) | in       |           |
|     |                        |       |       | tegrity) |           |
+-----+------------------------+-------+-------+----------+-----------+
| **2 | **Storage Vault**      | 1946  | Pu    | E        | D         |
| 1-2 |                        |       | Produ | ligible, | emolished |
| 1** |                        |       | ction | A        |           |
|     |                        |       | (     |          |           |
|     |                        |       | Early |          |           |
|     |                        |       | Stock |          |           |
|     |                        |       | pile) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **2 | **Pump House**         | 1945  | Pu    | Not      | Scheduled |
| 1-4 |                        |       | /Init | Eligible | for D&D\* |
| 2** |                        |       | iator | (not     |           |
|     |                        |       | (Su   | sign     |           |
|     |                        |       | pport | ificant) |           |
|     |                        |       | B     |          |           |
|     |                        |       | ldg.) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Laboratory Bldg**    | 1945  | I     | E        | Scheduled |
| *21 |                        |       | nitia | ligible, | for D&D\* |
| -15 |                        |       | tors/ | A        |           |
| 2** |                        |       | Nu    |          |           |
|     |                        |       | clear |          |           |
|     |                        |       | Pro   |          |           |
|     |                        |       | pulsi |          |           |
|     |                        |       | on/Tr |          |           |
|     |                        |       | itium |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Equipment Bldg**     | 1945  | I     | E        | Scheduled |
| *21 |                        |       | nitia | ligible, | for D&D\* |
| -16 |                        |       | tors/ | A        |           |
| 6** |                        |       | Nu    | (        |           |
|     |                        |       | clear | attached |           |
|     |                        |       | Pro   | to       |           |
|     |                        |       | pulsi | 21-152)  |           |
|     |                        |       | on/Tr |          |           |
|     |                        |       | itium |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| *   | **Equipment Bldg**     | 1945  | I     | E        | Scheduled |
| *21 |                        |       | nitia | ligible, | for D&D\* |
| -16 |                        |       | tors/ | A        |           |
| 7** |                        |       | Nu    | (        |           |
|     |                        |       | clear | attached |           |
|     |                        |       | Pro   | to       |           |
|     |                        |       | pulsi | 21-152)  |           |
|     |                        |       | on/Tr |          |           |
|     |                        |       | itium |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Assembly and Loading | 1945  | Fat   | E        | To be     |
| 22- | Bldg**                 |       | Man   | ligible, | Retained  |
| 1** |                        |       | Asse  | A        |           |
|     |                        |       | mbly/ |          |           |
|     |                        |       | Impl  |          |           |
|     |                        |       | osion |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Magazine**           | 1944? | High  | Eli      | Scheduled |
| 28- |                        |       | Explo | gible\*, | for D&D\* |
| 1** |                        |       | sives | A        |           |
|     |                        |       | (A    |          |           |
|     |                        |       | tomic |          |           |
|     |                        |       | Bomb) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Magazine**           | 1944? | High  | Eli      | Scheduled |
| 28- |                        |       | Explo | gible\*, | for D&D\* |
| 2** |                        |       | sives | A        |           |
|     |                        |       | (A    |          |           |
|     |                        |       | tomic |          |           |
|     |                        |       | Bomb) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Magazine**           | 1944? | High  | Eli      | Scheduled |
| 28- |                        |       | Explo | gible\*, | for D&D\* |
| 3** |                        |       | sives | A        |           |
|     |                        |       | (A    |          |           |
|     |                        |       | tomic |          |           |
|     |                        |       | Bomb) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Magazine**           | 1944? | High  | Eli      | Scheduled |
| 28- |                        |       | Explo | gible\*, | for D&D\* |
| 4** |                        |       | sives | A        |           |
|     |                        |       | (A    |          |           |
|     |                        |       | tomic |          |           |
|     |                        |       | Bomb) |          |           |
+-----+------------------------+-------+-------+----------+-----------+
| **  | **Magazine**           | 1944? | High  | Eli      | Scheduled |
| 28- |                        |       | Explo | gible\*, | for D&D\* |
| 5** |                        |       | sives | A        |           |
|     |                        |       | (A    |          |           |
|     |                        |       | tomic |          |           |
|     |                        |       | Bomb) |          |           |
+-----+------------------------+-------+-------+----------+-----------+

\*D&D = Decontamination and Decommissioning