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 in atlas with source publication.