Aeromagnetic map of the Billerica quadrangle, Middlesex County, Massachusetts /

Aeromagnetic map of the Billerica quadrangle, Middlesex County, Massachusetts /

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Bibliographic Details
Corporate author / creator:	Geological Survey (U.S.)
Imprint:	Washington, D.C. : The Survey, 1971.
Description:	1 map ; 58 x 43 cm.
Language:	English
Series:	Geophysical investigations ; map GP-743 Geophysical investigations (Geological Survey (U.S.)) ; map GP-743.
Subject:	Geomagnetism -- Massachusetts -- Middlesex County -- Maps. Geomagnetism. Massachusetts -- Middlesex County. Maps.
Cartographic data:	Scale 1:24,000 (W 71⁰22ʹ30ʺ--W 71⁰15ʹ00ʺ/N 42⁰37ʹ30ʺ--N 42⁰30ʹ00ʺ)
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/2771450

Hidden Bibliographic Details
Other title:	Billerica quadrangle, Massachusetts.
Other authors / contributors:	Massachusetts. Dept. of Public Works.
Notes:	Includes index map.

Description
Item Description:	Includes index map.
Physical Description:	Scale 1:24,000 (W 71⁰22ʹ30ʺ--W 71⁰15ʹ00ʺ/N 42⁰37ʹ30ʺ--N 42⁰30ʹ00ʺ) 1 map ; 58 x 43 cm.