Relief shown by hachures.; "To accompany the final report on the Geological Survey of the state 1858."; "Entered according to act of Congress, in the year 1858, by Henry D. Rogers ... Eastern District of Pennsylvania."; Washington D.C. meridian. 88 x 176 centimeters, sheets 74 x 95 centimeters Scale approximately 1:330,000 General Map Collection
Use of this item may be governed by US and international copyright laws. You may be able to use this item, but copyright and other considerations may apply. For possible additional information or guidance on your use, please contact the contributing organization.