http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ground water in northwestern Pennsylvania
iv, 215 pages : illustrations, tables, diagrams, 4 folded maps (in pocket) ; 24 cm.
by R. M. Leggette, with analyses by Margaret D. Foster, W. L. Lamar, and S. K. Love.
At head of title: Pennsylvania Geological Survey, fourth series.
Prepared in cooperation between the United States Geological Survey and the Pennsylvania Topographic and Geologic Survey.
Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ; W3