2
3
4
Subjects and Genres: '; ...Early maps Facsimiles....
Book
5
7
Author: Gipson, Lawrence Henry, 1880-1971,
Published 1939
Record Source: Published Materials
Contents or Abstract: '; ...pt. 1. Early scientific activities in Pennsylvania. The mapping of the middle Atlantic region, 1749...
Pennsylvania POWER Library
Access Pennsylvania Digital Repository
Book
9
11
Author: Abert, J. W. 1820-1897.
Published 1966
Record Source: Published Materials
...Report and map of the examination of New Mexico....
Book
20
Author: Gordon, Thomas F. 1787-1860.
Published 1832
Record Source: Published Materials
Book