1875. Lehman, Ambrose E. (Ambrose Edwin), 1851-1917. Title from maps.; "Under the superintendence until 1877 of Dr. Persifor Frazer."; "J. P. Lesley, state geologist."; Assistant topographers: George ... Geological Survey of Pennsylvania (Harrisburg, Pa).
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1904. Huebinger, M. (Melchior). Iowa Publishing Co.
1904. Huebinger, M. (Melchior). Iowa Publishing Co.
1904. Huebinger, M. (Melchior). Iowa Publishing Co.
1904. Huebinger, M. (Melchior). Iowa Publishing Co.
1904. Huebinger, M. (Melchior). Iowa Publishing Co.
1904. Huebinger, M. (Melchior). Iowa Publishing Co.
1904. Huebinger, M. (Melchior). Iowa Publishing Co.
1904. Huebinger, M. (Melchior). Iowa Publishing Co.
1904. Huebinger, M. (Melchior). Iowa Publishing Co.