Map Selection
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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" |
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Contours and
elevations |
shown in feet |
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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 |
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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 |
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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" |
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Contours and elevations |
none |
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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 |
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Click here to view a county outline map of Iowa |
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