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