1. Soil map, Michigan, Allegan Co. sheet Maps University Of Minnesota Public content 1901. United States. Bureau of Chemistry and Soils. Soils surveyed by Elmer O. Fippin, Thos. D. Rice.; "Base map redrawn from county atlas." 63 x 96 centimeters Scale [1:63,360] General Map Collection. Bureau of Soils (Washington, D.C).