Geological and topographical map of the anthracite fields of Pennsylvania (constructed from original explorations and instrumental surveys). (constructed from original explorations and instrumental surveys Sheet 2)
Pennsylvania Geological Survey (1st survey). Final Report 1858. Companion text: Pennsylvania Geological Survey (1st, 1836-41). The geology of Pennsylvania; a government survey / Henry Darwin Rogers. Philadelphia : Pennsylvania Geological Survey. 1858. Final report on the geological survey of the State 1858. Vol. 1, 2 and atlas. 1858. 586p(v.1); 1045(v.2). 9pl.(v.1); 23pl. (v.2). Two volumes in three. Another copy of map with source publication.
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