State Library of Iowa
1112 East Grand Avenue
Des Moines, IA 50319
State Public Defender, Office of the
4th Floor, Lucas Building
321 E. 12th Street
Des Moines, IA 50319-0087
US Environmental Protection Agency
1200 Pennsylvania Ave. NW
Washington DC, DC 20460
US Fish and Wildlife Service
Region 3 Contact information at
https://www.fws.gov/offices/Directory/ListOffices.cfm?statecode=19
See list of offices for, IA at above url