Spatial Coverage: Saint Helens, Mount Region - Yale University Library GeoBlacklight Search Results

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1. Aeromagnetic map of the Mt. St. Helens area, Washington [cartographic material]

1981. 2002-06-01T04:00:00Z. 2023-02-23T04:01:21Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Washington (State), Saint Helens, Mount Region, and Saint Helens, Mount, Region (Wash.).

2. Geological map of the McCoy Peak quadrangle, Southern Cascade Range, Washington [microform]

1992. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; Books and Open-File Reports Section, distributor. English. Public. Washington (State), Saint Helens, Mount Region, and Saint Helens, Mount, Region (Wash.).