 A dead tree and Reiser Prairie from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Slopes of Chisos Mountains from Pinnacles Trail. Big Bend National Park, November 26, 2009
 Slopes of Chisos Mountains east from Boot Spring Trail. Big Bend National Park, November 27, 2009
 Alpine forget-me-not (Eritrichum aretioides) flowers carpeting the slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 View from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Small limestone arch on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 A dried tree on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine tundra on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 View from a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Exfoliation of slope of the dome of Enchanted Rock, view from Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
 Alpine phlox(?) flowers on the slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 View of a slope of Colony Baldy Mountain from Macey Lakes Trail in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Crestone Peak from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Slopes of Chisos Mountains from Boot Spring Trail. Big Bend National Park, November 26, 2009
 Slope of the dome of Enchanted Rock, view from Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
 Dwarf cinquefoil and white alpine phlox wildflowers on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Rocks on a slope of Freshman Mountain east from Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Southern slope of Ramon s Tooth resembling Eilat Mountains, 5 miles south-east from Mitzpe Ramon. The Middle East, May 3, 2001
 Dwarf sunflowers (Old-man-of-the-mountain, Rydbergia grandiflora, Hymenoxys grandiflora) on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Cracked limestone on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Alpine Sandwort (Lidia obtusiloba, Minuartia biflora) on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Mountain slope behind the ranch near Casper. Wyoming, July 20, 2007
 View of mountains in Sinai north-west from a slope of Mount Yoash, 4 miles north-west from Eilat. The Middle East, January 17, 2002
 Limestone shelters on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Weathered stones on a slope of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Cacti on a slope of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 24, 2007
 Black flint stones on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Slopes of Frijole Mountain from McKittrick Canyon Trail. Guadalupe Mountains National Park, Texas, December 28, 2007
 Limestone on a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Sandy runnel from a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Sandy path from a mountain slope in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
 Grazing camels from a mountain plateau on the slope of Jebel Al-Nakhsh in south-western Qatar, April 2, 2016
 Mountain slope in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, June 25, 2016
 Slope of the dome of Enchanted Rock in area of Turkey Pass, view from Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
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