Subject: Mines and mineral resources / Spatial Coverage: Maryland / Year: 1975 - Yale University Library GeoBlacklight Search Results

Start Over Subject Mines and mineral resources Spatial Coverage Maryland Year 1975

1. Cockeysville quadrangle--geology, hydrology, and mineral resources [cartographic material]

1975. 2016-06-09T16:57:33Z. 2016-08-20T21:14:34Z. Maryland Geological Survey. State of Md., Dept. of Natural Resources, Md. Geological Survey, Williams & Heintz Map Corp.). English. cartographic image. Public. Maryland and Cockeysville Region.

2. Map showing mineral resources of Montgomery County, Maryland [cartographic material]

1975. 2013-08-27T17:55:39Z. 2013-09-04T19:52:22Z. Froelich, A. J. (Albert Joseph), 1929-. The Survey. English. Public. Maryland, Montgomery County, and Montgomery County (Md.).