National Register of Historic Places listings in Story County, Iowa

Columns: Name on the Register | Date listed | Location | City or town
15 | Grand Auditorium and Hotel Block | January 25 , 1980 ( # 80001460 ) | Broad St. 42°11′13″N 93°35′48″W / 42.186944°N 93.596667°W / 42.186944 ; -93.596667 ( Grand Auditorium and Hotel Block ) | Story City | 16 | Henry T. and Emilie ( Wiese ) Henryson House | April 20 , 2005 ( # 05000317 ) | 619 Grad Ave. 42°11′16″N 93°36′12″W / 42.187778°N 93.603333°W / 42.187778 ; -93.603333 ( Henry T. and Emilie ( Wiese ) Henryson House ) | Story City | 17 | Herschel-Spillman Two-Row Portable Menagerie Carousel | June 6 , 1986 ( # 86001244 ) | North Park , Story St. , and Grove Ave. 42°11′17″N 93°35′16″W / 42.188056°N 93.587778°W / 42.188056 ; -93.587778 ( Herschel-Spillman Two-Row Portable Menagerie Carousel ) | Story City | 18 | Iowa Beta Chapter of Sigma Phi Epsilon | February 5 , 2014 ( # 13001140 ) | 228 Gray Ave. 42°01′14″N 93°38′26″W / 42.020520°N 93.640434°W / 42.020520 ; -93.640434 ( Iowa Beta Chapter of Sigma Phi Epsilon ) | Ames | 19 | Keigley Branch Bridge | May 15 , 1998 ( # 98000483 ) | 550th St. over Keigley Branch 42°08′13″N 93°36′03″W / 42.136944°N 93.600833°W / 42.136944 ; -93.600833 ( Keigley Branch Bridge ) | Gilbert | 20 | Knapp-Wilson House | October 15 , 1966 ( # 66000339 ) | Iowa State University campus 42°01′48″N 93°38′32″W / 42.03°N 93.642222°W / 42.03 ; -93.642222 ( Knapp-Wilson House ) | Ames

Example questions:
What is the date listed whose city or town is the second most populous city in Story County , Iowa with a Historic Place listed on the National Register ? | What is the date listed whose city or town is a city in Story County , Iowa with a Historic Place listed on the National Register ?

Answers:
# 78001262 | # 85001374