Visit the most scientifically significant Early Permian track sites in the world located in the Robledo Mountains near Las Cruces. The Trackways contain footprints of numerous amphibians, reptiles and insects, plants and petrified wood dating back 280 million years. Directions: go north on I-25. Take Dona Ana exit 9. Head west on NM 320 for 2 miles until you reach NM 185. Turn right on NM 185 and head north for ½ mile to Shalem Colony Road. Turn left onto Shalem Colony Road and head west to Rocky Acres Road. Turn right onto Rock Acres Road. After ¼ mile turn left onto Permian Trackways Road and continue to the parking lot. Contact McKinney Briske, mbriske@blm.gov.