Appalachian Region.
Subject
Subject Source: Library of Congress Subject Headings
Found in 1 Collection or Record:
Water Resources of the Appalachian Region Pennsylvania to Alabama, 1965
File — Map Case 1, drawer 11
Scope and Contents
Two copies of U. S. Geological Survey Hydrologic Map HA-198. Mt. Map 719 and Mt. Map 720 c.2.
Dates:
1965