16. (1) Exploratory drilling by core or non-core method, including diamond or core drilling, and other drilling such as percussion, reverse circulation and auger drilling, is eligible for assessment work credit if the holder of the mining land submits a legible technical report on the drilling, the drill hole logs, the drilling plan and a drill hole section. O. Reg. 309/12, s. 18 (1). (2) The report on drilling must, (a) indicate the number of holes drilled and the total length of drilling; (b) identify the mining land on which the work was performed, its location and the means of access to it; (c) contain a key map showing the land worked in relation to identifiable topographic features and township boundaries or established survey lines, stations or markers; (d) give the name of the author of the report and the names and addresses of the persons who supervised the work; (e) give a summary of the exploration and development work performed on the land; (f) give the date of completion of the report; and (g) contain a list of references or a bibliography. O. Reg. 309/04, s. 8 (1); O. Reg. 309/12, s. 18 (2). (3) The drill hole logs must, (a) identify the hole by number; (b) give the mining claim numbers or mining land numbers on which the hole is drilled; (c) indicate the location of the drill hole collar in relation to the grid line coordinates, claim posts and identifiable geographic reference points; (d) indicate the angle and azimuth of the hole; (e) indicate the size of the core, or the diameter of the drill hole if bored other than by core drilling; (f) state the start and completion dates of the drilling; (g) state the name of the drill contractor; (h) state the storage location of the core or drill sample material; (i) indicate the thickness of overburden in the core drilling holes; (j) adequately describe all geological units encountered in terms of their thickness, composition, colour, textures, structure, grain size, degree of sorting, mineralization and alteration, as appropriate; (k) indicate the total depth of penetration of the drill hole in bedrock and unconsolidated material; (l) indicate the location and type of all samples taken for assay or physical tests; (m) state the date of completion of the log; (n) contain the printed name of the author of the log; (o) provide a legend of all symbols or abbreviations used in the logs; (p) include assay values for sections assayed with appropriate certificates; (q) be signed by the author of the report or core logger; and (r) for overburden drilling designated specifically to sample unconsolidated materials, describe the stratigraphy of the materials encountered as to type of material, thickness, colour, textures, structure, grain size, degree of sorting and mineralization, and describe the type of bedrock penetrated, if reached. O. Reg. 309/04, s. 8 (1); O. Reg. 309/12, s. 18 (3). (3.1) The drilling plan must, (a) be at a scale between 1:10 and 1:5,000; (b) contain a graphic or bar scale and show the magnetic north and the declination; (c) show all lakes, streams and other notable topographic features, and all relevant cultural features such as railways and power lines; (d) accurately show all mining land boundaries, claim posts, claim numbers, township boundary lines, roads, lot and concession lines, base lines, picket lines and survey boundaries and stations, where identifiable, in relation to topographic features; (e) show the location of drill hole collars and the numbers, angles and depths of all drill holes in relation to clauses (3) (c), (d) and (e) in such a manner that relocation of the hole is simplified; and (f) include, where available, assayed intervals and assay averages. O. Reg. 309/04, s. 8 (1); O. Reg. 309/12, s. 18 (4). (4) The drill hole section must, (a) indicate the overburden, rock types or type of material intersected; (b) be at a scale between 1:10 and 1:5,000; (c) contain a graphic or bar scale; (d) give the astronomic azimuth of the hole; (e) show coordinate lines corresponding with those shown on the drilling map; (f) indicate the total length of the hole; (g) contain a legend for codes or symbols corresponding to unconsolidated materials, mineralization and structure; (h) show the location of the unconsolidated materials and mineralization designated by code or symbol corresponding to those mentioned in clause (g); (i) show the number of the mining claim or mining land on which the hole is drilled; (j) show the number and angle of the drill hole; and (k) include, where available, assayed intervals and assay averages. O. Reg. 6/96, s. 16 (4); O. Reg. 309/04, s. 8 (2-4); O. Reg. 309/12, s. 18 (5). (5)-(8) Revoked:  O. Reg. 309/04, s. 8 (5). (9) A holder of mining land who performs a program of diamond drilling or overburden drilling on it is eligible for an assessment work credit, in addition to that otherwise permitted under this section, for all expenses and labour costs associated with the drill core submission for assessment work credit, if, (a) the appropriate resident geologist receives at least two weeks notice of the drill core or drill sample submission together with all relevant drill logs; and (b) the holder of mining land delivers all or requested portions of the drill core or drill samples to the appropriate drill core storage facility in accordance with the instructions of the resident geologist. O. Reg. 6/96, s. 16 (9); O. Reg. 309/12, s. 18 (6). (10) For the purpose of clause (9) (b), delivery includes the following: 1. Each drill log, containing all relevant information as required in section 16 associated with the drill core submission, must be forwarded to the resident geologist at least two weeks before the drill core is delivered. 2. All drill core submissions must be made within a minimum of 30 days before the anniversary date of the mining land in question. 3. All drill core submissions must be properly palletised, labelled, strapped, covered and placed, as necessary, within the drill core storage facilities according to Ministry of Northern Development and Mines specifications and in accordance with the instructions of the resident geologist. 4. Sorting forms that identify the assigned Ministry of Northern Development and Mines drill hole number, footage contained within each drill core box, pallets on which the core boxes are stored, and pallets location within the drill core storage compound must be properly completed. 5. All drill core submissions must be delivered on either wooden or steel pallets that meet the specifications of the Ministry of Northern Development and Mines. 6. The number of core boxes on each pallet must not exceed 45. 7. The holder of mining land is responsible for transportation and other costs associated with the rental or use of fork lifts or similar equipment required to unload and place pallets of drill core and the costs associated with snow removal at the drill core storage facilities to enable winter drill core submissions. 8. Assessment work credit will be given for all costs for materials and rental services and labour costs associated with drill core submission under this subsection, including the costs of palletising and placing the palletised drill core in the drill core storage facilities in accordance with the instructions of the resident geologist, if details of the costs are submitted along with the technical report on the drilling. 9. The holder of mining land must comply with all operational and safety procedures in accordance with the instructions of the Ministry of Northern Development and Mines, the resident geologist or the geologist’s agent, when delivering drill core and performing the required activities. O. Reg. 6/96, s. 16 (10); O. Reg. 193/06, s. 3; O. Reg. 309/12, s. 18 (7). (11) No person shall destroy the value of drill core except that the holder of the mining land may do so in the normal course of exploration or mining. O. Reg. 6/96, s. 16 (11). (12) A holder of mining land shall not abandon a drill core without notifying the resident geologist of its storage location. O. Reg. 6/96, s. 16 (12). (13), (14) Revoked: O. Reg. 309/12, s. 18 (8).