National Register of Historic Places listings in Placer County, California

Columns: Name on the Register | Date listed | Location | City or town
15 | Dutch Flat Historic District | March 28 , 1973 ( # 73000419 ) | Main and Stockton Sts . 39°12′17″N 120°50′05″W / 39.204722°N 120.834722°W / 39.204722 ; -120.834722 ( Dutch Flat Historic District ) | Dutch Flat | 16 | El Toyon | March 31 , 2010 ( # 10000118 ) | 211 Brook Rd . 38°53′46″N 121°03′41″W / 38.895975°N 121.061461°W / 38.895975 ; -121.061461 ( El Toyon ) | Auburn | 17 | Fiddyment Ranch Main Complex | July 26 , 2010 ( # 10000503 ) | 4440 Phillip Rd . 38°47′07″N 121°22′38″W / 38.785278°N 121.377222°W / 38.785278 ; -121.377222 ( Fiddyment Ranch Main Complex ) | Roseville | 18 | Griffith House | December 19 , 1978 ( # 78000733 ) | 7325 English Colony Way 38°51′08″N 121°09′55″W / 38.852222°N 121.165278°W / 38.852222 ; -121.165278 ( Griffith House ) | Penryn | 19 | Griffith Quarry | October 20 , 1977 ( # 77000322 ) | Taylor Rd . 38°50′58″N 121°09′44″W / 38.849444°N 121.162222°W / 38.849444 ; -121.162222 ( Griffith Quarry ) | Penryn | 20 | Haman House | November 17 , 1976 ( # 76000507 ) | 424 Oak St. 38°44′49″N 121°17′04″W / 38.746944°N 121.284444°W / 38.746944 ; -121.284444 ( Haman House ) | Roseville

Example questions:
What year was a National Register of Historic Places Neoclassical style building completed in a town where the Rio Del Lago 100 Mile Endurance Run is ? | How many hectares is the National Register of Historic Places site located in a town with a 3.8% YOY growth rate ? | What is the population of the city where a site on the National Register of Historic Places has a 284 acres campus ? | What interstate runs through the town whose site on the National Register of Historic Places has a platform that is movable to accommodate Union Pacific rotary snowplows ?

Answers:
1909 | 2.9 | 13,330 | Interstate 80