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Soil Survey of Cedar County, Iowa
Comprehensive soil survey for Cedar County, Iowa. Survey includes table of contents, index to maps, tables, and references.
Ralph Kohlenberg and Lyle Jackson discussing soil inventory, 1967
B&W photograph of Ralph Kohlenberg and Lyle Jackson discussing soil inventory map.
Monroe County Soil and Water Resource Conservation Plan, 1991
Plan covers the district's history, projects, objectives, goals, priorities, policies, and maps.
Meeting with Map
B&W photograph of six men before a table with a map.
High-Tech World of Mapping
Graphic Information System would map Black Hawk County.