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Aeromagnetic map of the Rockville quadrangle, Montgomery County, Maryland and Fairfax County, Virginia
- Author / Creator
- Available as
- Physical
Details
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- Creator
- by Jean Blanchett, N.S. Tyson, and E.F. McGowan ; Department of the Interior, United States Geological Survey
- Format
- Maps, Atlases
- Language
- English
- Contributors
- Publication
-
- Washington, D.C. : The Survey, 1963
- Physical Details
-
- 1 map ; 58 x 45 cm., on sheet 61 x 70 cm., folded in envelope 30 x 24 cm
- OCLC
- ocm21070960
- Cartographic Data
-
Scale 1:24,000(W 77⁰15ʹ00ʺ--W 77⁰07ʹ30ʺ/N 39⁰07ʹ30ʺ--N 39⁰00ʹ00ʺ).
- Relief shown by spot heights.
- Includes text, location map, and index map to adjacent quadrangles.
- "Aeromagnetic survey flown 500 feet above ground, 1958."