TY  - GEN
N1  - This website uses the GIS version of the Geologic Map of North America (https://pubs.er.usgs.gov/publication/ds424) which is published by the Geological Society of America: https://rock.geosociety.org/Store/detail.aspx?id=DNAGCSMS1

Garrity, C.P., and Soller, D.R., 2009, Database of the Geologic Map of North America; adapted from the map by J.C. Reed, Jr. and others (2005): U.S. Geological Survey Data Series 424 [https://pubs.usgs.gov/ds/424/].
ID  - epos2379
UR  - https://episodesplatform.eu/eprints/2379/
A1  - Mazur, Stanis?aw
TI  - Geological map of The Geysers Prati site - small
AV  - public
ER  -