Spatial Search Clear
From the site: "The AAPG, under the direction and guidance of the GIS Publications Committee and AAPG Datapages, is building a GIS / spatial...
A map diplaying the Lower 48 States Coalbed Mapping Fields.
A map displaying the Shale Plays of North America.
A map displaying the Lower 48 States Shale Plays.
A map displaying the Lower 48 Major Tight Plays.
A distributed archive of standardized geoscience spatial information and data for the nation. Developed by the USGS and State Geological Surveys.