Data Download

Dataset	Minerals: potential exploitable mineral areas: gypsum (high, medium, low potential)
Metadata	Metadata
Data type	vector/polygon
Scale/resolution	1:500,000
Projection	Decimal Degrees
Date	1990
Source	US Bureau of Mines
Download option 1	Shapefile	Zip size: 1.9 MB	Unzip size: 5.8 MB