Murphysboro (Colchester or No. 2) coal and underlying beds in pit of Colchester Brick & Tile Co.: Colchester. McDonough County, Illinois. 1915.
Dates
Date Taken
1915
Summary
Murphysboro (Colchester or No. 2) coal and underlying beds in pit of Colchester Brick & Tile Co.: Colchester. McDonough County, Illinois. 1915. Figure 12 in U.S. Geological Survey. Folio 208. 1919.
Summary
Murphysboro (Colchester or No. 2) coal and underlying beds in pit of Colchester Brick & Tile Co.: Colchester. McDonough County, Illinois. 1915. Figure 12 in U.S. Geological Survey. Folio 208. 1919.
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