Aeromagnetic map of the Boyertown quadrangle, Berks and Montgomery Counties, Pennsylvania /

Aeromagnetic map of the Boyertown quadrangle, Berks and Montgomery Counties, Pennsylvania /

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Bibliographic Details
Corporate author / creator:	Geological Survey (U.S.)
Imprint:	Washington, D.C. : The Survey, 1960.
Description:	1 map ; 57 x 45 cm., on sheet 61 x 71 cm., folded in envelope 30 x 24 cm.
Language:	English
Series:	Geophysical investigations GP-232 Geophysical investigations (Geological Survey (U.S.)) GP-232
Subject:	Geomagnetism -- Pennsylvania -- Berks County -- Maps. Geomagnetism -- Pennsylvania -- Montgomery County -- Maps. Geomagnetism. Pennsylvania -- Berks County. Pennsylvania -- Montgomery County. Maps.
Cartographic data:	Scale 1:24,000 (W 75⁰45ʹ--W 75⁰37ʹ30ʺ/N 40⁰22ʹ30ʺ--N 40⁰15ʹ)
Format:	Map U.S. Federal Government Document Print
Local Note:	Stored in vertical file.
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/2755022

Hidden Bibliographic Details
Other title:	Boyertown quadrangle, Berks and Montgomery Counties, Pennsylvania, aeromagnetic map.
Other authors / contributors:	Bromery, Randolph W. (Randolph Wilson), 1926-2013. Zandle, Gerald L.
Notes:	Includes note, index map, and map. "Aeromagnetic survey flown at 500 feet above ground, 1957."

Description
Item Description:	Includes note, index map, and map. "Aeromagnetic survey flown at 500 feet above ground, 1957."
Physical Description:	Scale 1:24,000 (W 75⁰45ʹ--W 75⁰37ʹ30ʺ/N 40⁰22ʹ30ʺ--N 40⁰15ʹ) 1 map ; 57 x 45 cm., on sheet 61 x 71 cm., folded in envelope 30 x 24 cm.