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1868 72. Stafford, NE Quad. Geologic Atlas Geological Survey of Great B … |
1868 61. Bridgenorth, Shrewsbury, … Geologic Atlas Geological Survey of Great B … |
1868 61. Shrewsbury, NW Quad. Geologic Atlas Geological Survey of Great B … |
1868 52. Bedford, SE Quad. Geologic Atlas Geological Survey of Great B … |
1868 1. Brentwood, NW Quad. Geologic Atlas Geological Survey of Great B … |
1868 1. Brentwood, NE Quad. Geologic Atlas Geological Survey of Great B … |