GRAND CANYON, AZ — A new analysis of 32 years of existing groundwater sampling at 40 Coconino Aquifer well and spring sites across the Grand Canyon region shows that average arsenic levels at the ...
GARFIELD COUNTY, UT – Forty-one new mining claims (see map) have recently been located in Grand Staircase-Escalante National Monument, including 13 in the shrunken monument, six that may be in the ...
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