Topographic surveys of states /
by H.F. Walling.

APA Citation

Walling, H. Francis. (1886). Topographic surveys of states. [Boston?: s.n..

MLA Citation

Walling, Henry Francis, 1825-1888. Topographic Surveys of States. [Boston?: s.n., 1886.

Warning: These citations may not always be complete (especially for serials).