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Iowa Geological Survey
109 Trowbridge Hall
Iowa City, IA 52242
(319) 335-1575



Crystal Lake

Hancock County

near Crystal Lake

Photo courtesy of Iowa State University Limnology Laboratory.

Watershed Characteristics   Landuse Percentages

(%)

Drainage Area (mi2) 3.51 Artificial 0.91
Drainage Area (Acres) 2,247.65 Barren 0.00
Basin Length (mi) 3.0 Grass 17.70
    Row Crop 64.25
    Water 11.89
    Forest 5.26

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Iowa Geological Survey     109 Trowbridge Hall     Iowa City, IA 52242-1319     Phone: 1-319-335-1575     Fax: 1-319-335-2754