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Red overprint shows progress of field work and publication.
Relief shown by hachures.
Shows "areas underlain by coal bearing rocks" and "principal coal producing districts."
Shows drainage, county boundaries, railroads, townships, etc.
Prime meridians: Greenwich, Washington.
Shows coal producing districts and areas underlain by coal bearing rocks.
Shows railroads.
Township map showing drainage, cities and towns, Indian and military reservations, railroads, and the limit of grants.
Prime meridians: Washington and Greenwich.
Shows areas underlain by coal bearing rocks and principal coal producing districts.