Map Selection
 

7.5 Minute Series

Map scale 1:24,000
Map to ground ratio 1 in. represents 2000 ft.
Area covered 49 - 71 sq. miles
Paper size (approx.) 22" x 27"
Contours and elevations shown in feet

County Topographic Series

Map scale 1:100,000
Map to ground ratio 1 in. represents 1.6 miles
Area covered approx 720 sq. miles
Paper size (approx.) 22" x 27"
Contours and elevations 20 ft. interval shown in feet
   

1 x 2 Degree Series

Map scale 1:250,000
Map to ground ratio 1 in. represents about 4 miles
Area covered 4580-8669 sq. miles
Paper size (approx.) 22" x 32"
Contours and elevations shown in feet
   

30 x 60 Minute Planimetric Series

Map scale 1:100,000
Map to ground ratio 1 in. represents 1.6 miles.
Area covered 1578-2167 sq. miles
Paper size (approx.) 29" x 44"
Contours and elevations none

30 x 60 Minute Metric Series

Map scale 1:100,000
Map to ground ratio 1 in. represents 1.6 miles.
Area covered 1578-2167 sq. miles
Paper size (approx.) 29" x 44"
Contours and elevations shown in meters

Click here to view a county outline map of Iowa