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



Arbor Lake

Poweshiek County

near Grinnell

Photo courtesy of Iowa State University Limnology Laboratory.

Watershed Characteristics   Landuse Percentages

(%)

Drainage Area (mi2) 1.62 Artificial 42.18
Drainage Area (Acres) 1039.55 Barren 1.09
Basin Length (mi) 1.8 Grass 41.95
    Row Crop 8.28
    Water 1.75
    Forest 4.75

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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