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Beach Day on Spirit Lake.
Beach day on Spirit Lake in Dickinson County, Iowa.
Erosion in Spirit Lake.
Erosion damage on a field in Spirit Lake.
Iowa Great Lakes Watershed - Spirit Lake Hydric Soils Map.
Iowa Great Lakes Watershed - Spirit Lake Hydric Soils Map.
Iowa Great Lakes Watershed - Spirit Lake Land Use Map.
Iowa Great Lakes Watershed - Spirit Lake Land Use Map.
Iowa Great Lakes Watershed - Spirit Lake Slope Study Map.
Iowa Great Lakes Watershed - Spirit Lake Slope Study Map.
Map of Spirit Lake.
Map of Spirit Lake and surrounding Lakes.
Mr. Boles Attends the Teachers' Workshop.
Mr. Boles - Spirit Lake teacher attended the teachers' workshop.
Native Prairie Flowers on Dean Madagan's Farmland.
Native prairie flowers on Dean Madagan's farmland in Dickinson County, Iowa.
Sediment deposit on Spirit Lake.
Sediment deposit on Spirit Lake in Dickinson County, Iowa.
Soil - 1985.
Soil - insert in The Beacon.