Aeromagnetic map of the Allentown quadrangle, Northampton, Lehigh, and Bucks Counties, Pennsylvania

Main Author: Geological Survey (U.S.)
Other Authors: Bromery, Randolph W. 1926-2013., Bennett, Bruce L. 1917-2003.
Format: Map
Language: English
Published: Washington, D.C. : The Survey, 1959.
Physical Description: 1 map ; 114 x 87 cm, on sheet 126 x 101 cm, folded in envelope 30 x 24 cm.
Series: Geophysical investigations (Geological Survey (U.S.)) ; map GP-213.
Subjects:
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110 2 |a Geological Survey (U.S.) 
245 1 0 |a Aeromagnetic map of the Allentown quadrangle, Northampton, Lehigh, and Bucks Counties, Pennsylvania /  |c Department of the Interior, United States Geological Survey ; by Randolph W. Bromery, Bruce L. Bennett, and others ; prepared in cooperation with the Commonwealth of Pennsylvania, Department of Internal Affairs. 
246 3 |a Allentown quadrangle, Northampton, Lehigh, and Bucks County, Pennsylvania, aeromagnetic map. 
255 |a Scale 1:24,000  |c (W 75⁰30ʹ--W 75⁰15ʹ/N 40⁰45ʹ--N 40⁰30ʹ) 
264 1 |a Washington, D.C. :  |b The Survey,  |c 1959. 
300 |a 1 map ;  |c 114 x 87 cm, on sheet 126 x 101 cm, folded in envelope 30 x 24 cm. 
336 |a cartographic image  |b cri  |2 rdacontent. 
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338 |a sheet  |b nb  |2 rdacarrier. 
490 1 |a Geophysical investigations map ;  |v GP-213. 
500 |a Includes note, index maps, and map. 
500 |a "Aeromagnetic survey flown at 500 feet above ground, 1956." 
650 0 |a Geomagnetism  |z Pennsylvania  |z Northampton County  |v Maps. 
650 0 |a Geomagnetism  |z Pennsylvania  |z Lehigh County  |v Maps. 
650 0 |a Geomagnetism  |z Pennsylvania  |z Bucks County  |v Maps. 
655 7 |a Maps.  |2 lcgft. 
700 1 |a Bromery, Randolph W.  |q (Randolph Wilson),  |d 1926-2013. 
700 1 |a Bennett, Bruce L.  |q (Bruce Lanyon),  |d 1917-2003. 
830 0 |a Geophysical investigations (Geological Survey (U.S.)) ;  |v map GP-213. 
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948 |a MARCIVE August, 2017 
948 |a MARCIVE extract Aug 5, 2017 
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