Natural Resources GIS Library Coverages

 

county_monuments Permanent Monuments Documented with Global Positioning System (GPS) by County Governments in Iowa

 

DOQQ Digital Ortho Quarter Quad Index for the state of Iowa

 

geodetic_control_stations Geodetic Control Stations maintained by the National Geodetic Survey for Iowa and the surrounding area

 

Quad_100 30x60 Minute Quadrangles for Iowa

 

Quad_24 7.5' USGS quadrangle maps

 

Quad_250 1x2 Degree Quadrangle Maps

 

Township Public Land Survey System Townships of Iowa