The Second Geological Survey of Pennsylvania began after the Civil War and was overseen by J. P. Lesley, who became state geologist in 1875 and served in that capacity until 1889. This octavo volume focused on county maps, published in 1885, contains 62 double-page colored maps including 61counties and 1 map of Pennsylvania. In addition to the maps is 112 pp. of text which describe the progress of the surveying efforts and provides short accounts of the geologic features of each county. Maps are dated between 1878-1884. Hardbound in brown half calf over marbled paper boards with raised bands and gilt title on spine.

References:

Condition: B+

Text and plates are in very good condition with some occasional offsetting and a few faint spots. Covers and spine show some moderate wear, but otherwise sound. Previous owner's bookplate is on the inside front cover.