Aeromagnetic map of northwestern Illinois [cartographic material]

Author:

Geological Survey (U.S.)

Publisher:

The Survey

Subject:

Geomagnetism

Spatial Coverage:

Illinois

Language:

English

Format:

cartographic image

Year:

1982

Date Issued:

2002-06-01T04:00:00Z

Date Modified:

2023-03-22T03:01:23Z

Library Catalog Record:

https://search.library.yale.edu/catalog/5015017

Digital Collections Record:

No Digital Collections record