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Fortier Testimony - National Map of Areas Favorable for the Occurrence of 25 Critical Minerals

Detailed Description

Figure 4. The USGS, with input and expertise from the State geological surveys, has produced the Nation’s first national map of areas favorable for the occurrence of 25 critical minerals, combining data and science from over 530 study areas. Sources: Dicken and others, 2021, USGS data release, and Dicken and Hammarstrom, 2020, USGS data release,



Public Domain.