 Plants in snow near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 Fresh snow near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 Cholla cactus in snow near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 Prickly pears cactus in snow near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 Ocotillo bush near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 "Natural entrance" to Carlsbad Caverns. New Mexico, December 26, 2007
 Passage in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Massive stalagmites in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Narrow passage in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Flowstone feature in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Limestone formations in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Pointed formations in caves of Carlsbad Caverns. New Mexico, December 26, 2007
 A column and other speleothems in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Limestone tunnel in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Lions Tails hanging in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Serpentine path of "Natural entrance" to Carlsbad Caverns. New Mexico, December 26, 2007
 Travertine speleothems along a passage in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Stalactites and massive stalagmites in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Columns in a small side alcove in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Massive stalagmites in Hall of Giants of Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Bone-shaped limestone formations along a passage of Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Huge stalagmite named "Rock of Ages" in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Irregularly rounded- or scallop-shaped passages in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Irregularly shaped limestone formations along a passage of Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Stalactites and stalagmites in a small alcove along the side of Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 A narrow stalagmite with a large cluster of stalactites in the Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Drapery and ripple-shaped patterns of travertine flowstone speleothems in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Speleothems (including stalactites, stalagmites, a column, and helictites) in an alcove of the Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 Cacti and agaves on South Rim. Big Bend National Park, November 28, 2009
 Agaves and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 Agave, cacti and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 Cacti on a slope of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 24, 2007
 Echinocereus cacti growing on ruins of Hunter Line shack in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 George Ashby s Phillips 66 gas station at crossing of Hwy 285 and FM 652. Orla, New Mexico, December 25, 2007
 Jefferson(?) Road in snow. Princeton, New Jersey, March 7, 2007
 A house at Jefferson Road in snow. Princeton, New Jersey, March 7, 2007
 A house at 91 Battle Road in snow. Princeton, New Jersey, March 7, 2007
 A house at 99 Jefferson Road in snow. Princeton, New Jersey, March 7, 2007
 Jackie and Hall Olds (Hal Old) store, grocery and cafe at crossing of Hwy 285 and FM 652. Orla, New Mexico, December 25, 2007
 Cacti on east part of Dodson Trail. Big Bend National Park, Texas, November 23, 2007
 A sign near Orla grocery near historical marker No. 3876 at crossing of Hwy 285 and FM 652. Orla, New Mexico, December 25, 2007
 Orla cafe served to feed workers in oil, gas, and sulphur fields, at crossing of Hwy 285 and FM 652. Orla, New Mexico, December 25, 2007
 Stalagmites in Natural Bridge Caverns. San Antonio, Texas, October 6, 2007
 Cacti east from Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Smokey Creek Trail through creosote bushes and cacti east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
 Mexican agaves (Agave americana) near back entrance of Texas A and M University in Education City campus. Doha, Qatar, March 26, 2014
 Stalactites in Northern Cavern in Natural Bridge Caverns. San Antonio, Texas, October 6, 2007
 A hall in Northern Cavern in Natural Bridge Caverns. San Antonio, Texas, October 6, 2007
 Stalagmites in Northern Cavern in Natural Bridge Caverns. San Antonio, Texas, October 6, 2007
 The Watchtower in Northern Cavern in Natural Bridge Caverns. San Antonio, Texas, October 6, 2007
 A cave in Northern Cavern in Natural Bridge Caverns. San Antonio, Texas, October 6, 2007
 Blooming Mexican agaves (Agave americana) near back entrance of Texas A and M University in Education City campus. Doha, Qatar, March 26, 2014
 The King s Throne in Northern Cavern in Natural Bridge Caverns. San Antonio, Texas, October 6, 2007
 Spacious hall in Northern Cavern in Natural Bridge Caverns. San Antonio, Texas, October 6, 2007
 Pluto s Anteroom(?) in Northern Cavern in Natural Bridge Caverns. San Antonio, Texas, October 6, 2007
 Hall of the Mountain King(?) in Northern Cavern in Natural Bridge Caverns. San Antonio, Texas, October 6, 2007
 The Pool and West Road in Central Park. New York City, March 18, 2007
 Pedernales Falls. Johnson City, Texas, December 24, 2007
 Pool of Pedernales Falls. Johnson City, Texas, December 24, 2007
 Waterfalls above Pedernales Falls. Johnson City, Texas, December 24, 2007
 Cliffs above Pedernales Falls. Johnson City, Texas, December 24, 2007
 Lake above Pedernales Falls. Johnson City, Texas, December 24, 2007
 Cypress pool below Pedernales Falls. Johnson City, Texas, December 24, 2007
 Riverbed rocks above Pedernales Falls. Johnson City, Texas, December 24, 2007
 A white house at 37 Hodge Road. Princeton, New Jersey, March 7, 2007
 Oak alley in snow of New Main Road on campus of Texas A and M University. College Station, Texas, December 7, 2017
 A beach boardwalk in Ventnor City. Atlantic City, New Jersey, March 24, 2007
 Catamarans on a beach in Ventnor City. Atlantic City, New Jersey, March 24, 2007
 Yachts on a beach in Ventnor City. Atlantic City, New Jersey, March 24, 2007
 Highway 385 with snow, near Marathon. Texas, November 25, 2007
 South Oxford(?) Street in Ventnor City, view from the boardwalk. Atlantic City, New Jersey, March 24, 2007
 Pioneer cemetery near northern park boundary at Wilson Ranch Road in Pedernales Falls State Park. Johnson City, Texas, November 10, 2007
 Very thin white corticioid mushrooms snow-white crust (Plicatura nivea)(?) in area of Dibuny - Pesochny near Saint Petersburg. Russia, March 4, 2017
 Cow shed at road 1644 south from Calvert. Texas, December 8, 2007
 Old Mexican agaves in West Texas Garden in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 3, 2021
 Dry Mexican agaves in West Texas Garden in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 3, 2021
 - Pecos Wilderness in New Mexico 8/30/97 (Dallas - a trip to New Mexico mountains, July 11 - August 30, 1997)
 - Pecos Wilderness in New Mexico 8/30/97 (Dallas - a trip to New Mexico mountains, July 11 - August 30, 1997)
 - Pecos Wilderness in New Mexico 8/30/97 (Dallas - a trip to New Mexico mountains, July 11 - August 30, 1997)
 - Pecos Wilderness in New Mexico 8/30/97 (Dallas - a trip to New Mexico mountains, July 11 - August 30, 1997)
 - Pecos Wilderness in New Mexico 8/30/97 (Dallas - a trip to New Mexico mountains, July 11 - August 30, 1997)
 - Pecos Wilderness in New Mexico 8/30/97 (Dallas - a trip to New Mexico mountains, July 11 - August 30, 1997)
 - Pecos Wilderness in New Mexico 8/30/97 (Dallas - a trip to New Mexico mountains, July 11 - August 30, 1997)
 - Pecos Wilderness in New Mexico 8/30/97 (Dallas - a trip to New Mexico mountains, July 11 - August 30, 1997)
 - Pecos Wilderness in New Mexico 8/30/97 (Dallas - a trip to New Mexico mountains, July 11 - August 30, 1997)
 Remains of Mexican agaves in West Texas Garden in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 3, 2021
 Texture of dead Mexican agaves in West Texas Garden in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 3, 2021
 Very thin white corticioid mushrooms snow-white crust (Plicatura nivea)(?) on a tree 2 meters from the ground in area of Dibuny - Pesochny near Saint Petersburg. Russia, March 4, 2017
 Some city along a road north from Akaba, view from a bus. Jordan, December 1, 2002
 Snow on a towpath in Delaware and Raritan Canal State Park. Kingston, New Jersey, February 21, 2007
 Excavations of Cardo road in Old City of Jerusalem. The Middle East, December 13, 2002.
 Windmill near Road 40 near Santa Rosa, view from a bus. New Mexico, May 26, 2008
 Underneath Atlantic City Boardwalk, on Central Pier. Atlantic City, New Jersey, March 24, 2007
 Totem-like columns of volcanic tuff across Limpia Creek, view from Road 17. Fort Davis, Texas, December 29, 2007
 Chisos Mountains with snow, view from Castalon Highway. Big Bend National Park, Texas, November 25, 2007
 Qadisieh Road in Moslem Quarter in Old City of Jerusalem. The Middle East, December 13, 2002.
 Somewhere in Moslem Quarter (El Khalidiya(?) Road) in Old City of Jerusalem. The Middle East, December 13, 2002.
 Somewhere in Moslem Quarter (Bab es Silsila(?) Road) in Old City of Jerusalem. The Middle East, December 13, 2002.
 Somewhere in Moslem Quarter (El Khalidiya(?) Road) in Old City of Jerusalem. The Middle East, December 13, 2002.
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