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TheRobledo Mountains are amountain range inDoña Ana County, New Mexico, just northwest ofLas Cruces. They are an uplifted block ofPaleozoic rocks on the west side of theRio Grande Rift.[1]
The range was named for Pedro Robledo, who died on May 21, 1598, and was buried nearby.[2] Robledo was the first casualty of theOñate expedition, sent to colonize the upperRio Grande valley. A native ofToledo, Spain, Robledo was accompanied on the expedition by his wife and five children.
These mountains are home toEarly Permian trackways ofinvertebrates andvertebrates. In 2009, the main locality was designated the 100thactivenational monument in theUnited States, and namedPrehistoric Trackways National Monument. Rock outcrops in the area preserve numerous examples of earlyPermiantrackways. These trackways include prints ofDimetrodon,Edaphosaurus,Eryops,Cacops and many other smallpelycosaurs.[3][4]
Established in 2019 by the U.S. Congress, theRobledo Mountains Wilderness protects this ecologically diverse portion of theChihuahuan Desert in New Mexico. The 16,776 acre desertwilderness area contains an assortment of canyons, cliffs, caves, and creeks and is managed by the U.S.Bureau of Land Management.[5]
32°24′17″N106°54′0″W / 32.40472°N 106.90000°W /32.40472; -106.90000
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