Developing ProposalEnvironmental AssessmentArizona · Pima
Comments due 8/28/2026 11:59:59 PM
US Mountain Standard Time
What the Forest Service is proposing
Minerals and geology
Plan of Operations submitted by Cimbar Resources for three phases of definition drilling at the Santa Rita Quarry to confirm the presence, extent (volume), and assess the grade of limestone.
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To: Manuel Silva · Forest ServiceRe: Santa Rita Quarry - IMERYS · Nogales Ranger District, Coronado National Forest
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Read what they proposed · 17 documents
Comments already on record · 3
Serraglio, Randy · Center For Biological Diversity
Terpening, Kristin · Arizona Game & Fish Dept
Bingham, Matt · Rosemont Copper Company
Who to reach · official links
Manuel Silva
manuel.silva@usda.gov · 520-388-8327
c/o Nogales Ranger District; 303 Old Tucson Rd; Nogales, Arizona 85621
On the official sites