The Geology of the Burnley Coal-Field: and of the Country around Clitheroe, Blackburn, Preston, Chorley, Haslingden, and Todmorden. Quarter sheets 88 N. W., 89 N. E., 89 N. W., and 92 S. W., of the 1-inch geological maps.
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The Geology of the Burnley Coal-Field: and of the Country around Clitheroe, Blackburn, Preston, Chorley, Haslingden, and Todmorden. Quarter sheets 88 N. W., 89 N. E., 89 N. W., and 92 S. W., of the 1-inch geological maps.
