1939. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
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1939. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1939. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1937. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1937. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1940. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Geological Survey. Historic aerial photos of Wisconsin from 1937-1941.
1937. U.S. Department of Agriculture. Historic aerial photos of Wisconsin from 1937-1941.
1938. U.S. Geological Survey. Historic aerial photos of Wisconsin from 1937-1941.