 Under Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Mossy travertine formations at the base of Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Spicewood Springs in Colorado Bend State Park. Bend, Texas, May 23, 2009
 View of Big Creek from Big Creek Loop Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Overlook of a bend of Pilant Slough in Brazos Bend State Park. Needville, Texas, December 14, 2008
 Bend of Colorado River from Bluff Trail Loop in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Oak forest on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 View of Boot Rock from Boot Spring Trail. Big Bend National Park, November 27, 2009
 Boot Rock, view from Boot Spring Trail. Big Bend National Park, November 27, 2009
 Pink flowers of pea family on Prairie Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Bark of an oak tree on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Tail view of an alligator from Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Some seed pods on Horseshoe Lake Loop Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Sheep sorrel (Rumex) on Big Creek Loop Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Sensitive brier (Schrankia uncinata)(?) on Prairie Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Back view of an alligator from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Philadelphia fleabane (Erigeron philadelphicus) on Big Creek Loop Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Herbertia (Prairie nymph) on Horseshoe Lake Loop Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Ripening drupes of dewberry (Rubus trivialis) on Big Creek Loop Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Self-Heal (Carpenter-weed, Prunella vulgaris) on Big Creek Loop Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Back-lit dwarf dandelion (Krigia occidentalis) on Pilant Slough Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Blooming violet ruella (Ruellia caroliniensis) on Pilant Slough Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Close-up ventral view of golden silk spider on Spillway Trail in Brazos Bend State Park. Needville, Texas, July 4, 2008
 Head view of a large alligator on a lawn from Elm Lake Loop Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Tiny white flowers of knotted hedgeparsley (Torilis nodosa) on Big Creek Loop Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Yellow hairy caterpillar of salt marsh moth(?) (Estigmene acrea) on Horseshoe Lake Loop Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
 View of a lake from Bluestem Bend Trail in Birch Creek Unit of Somerville Lake State Park. Texas, September 29, 2024
 Heron like bird on west side of Elm Lake(?) in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Blue heron bird near Pilant(?) Lake in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Emory Peak Trail in fog. Big Bend National Park, November 27, 2009
 Boot Spring Trail. Big Bend National Park, November 26, 2009
 Floating alligator trunk on west side of Elm Lake(?) in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Alligator hiding in duckweed on west side of Elm Lake in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Switchbacks of Blue Creek Trail. Big Bend National Park, November 29, 2009
 Alligator head floating in duckweed on west side of Elm Lake in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Slopes of Chisos Mountains from Pinnacles Trail. Big Bend National Park, November 26, 2009
 Area of red rocks on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Upper section of Boot Canyon Trail. Big Bend National Park, November 27, 2009
 Boot Canyon Trail ending at Southeast Rim. Big Bend National Park, November 27, 2009
 Upper part of Boot Canyon Trail. Big Bend National Park, November 27, 2009
 Close-up of an alligator head floating in duckweed on west side of Elm Lake in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Slopes of Chisos Mountains from Boot Spring Trail. Big Bend National Park, November 26, 2009
 Fall colors of Chisos Mountains from Pinnacles Trail. Big Bend National Park, November 26, 2009
 Emory Peak from lower section of Southwest Rim Trail. Big Bend National Park, November 28, 2009
 Cliffs of Toll Mountain from Boot Spring Trail. Big Bend National Park, November 26, 2009
 Yellow-crowned night-heron marsh bird on west side of Elm Lake in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Close-up of an alligator nose and eyes floating in duckweed on west side of Elm Lake in Brazos Bend State Park. Needville, Texas, April 11, 2009
 Fruit of cholla cactus (cylindropuntia) on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Century plant which bloomed, died, and tipped over, on Pinnacles Trail. Big Bend National Park, November 26, 2009
 Group of people with Dallas Sierra Club on 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
 Fruits of Texas madrone (Arbutus xalapensis) on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Boot Rock, view from Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Brown furry caterpillar of salt marsh moth(?) (Estigmene acrea) near New Horseshoe Lake in Brazos Bend State Park. Needville, Texas, April 11, 2009
 One of eroded pinnacles of pink volcanic tuff on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Northeast Rim, view from lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Sotol and Southeast Rim, view from east part of Dodson Trail. Big Bend National Park, Texas, November 23, 2007
 South Rim, view from Fresno Circle campsite near Dodson Trail. Big Bend National Park, Texas, November 23, 2007
 Bee Mountain, view to the west from Smokey Creek Trail near Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Elephant Tusk Rock, view from Fresno Spring near Dodson Trail. Big Bend National Park, Texas, November 24, 2007
 Crown Mountain, view from lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Desert mistletoe(?) growing on ocotillo, view from Smokey Creek Trail. Big Bend National Park, Texas, November 25, 2007
 Southeast Rim in fog. Big Bend National Park, November 27, 2009
 Valley of Smokey Creek, view to the east from a trail north from Mule Ear Peaks. Big Bend National Park, Texas, November 25, 2007
 Goat Mountain, view to the north from Smokey Creek Trail near Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Cane Cholla cactus and Southeast Rim, view from east part of Dodson Trail. Big Bend National Park, Texas, November 23, 2007
 Eroded pinnacles of pink volcanic tuff looking like a miniature Bryce Canyon on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Boot Rock from Boot Spring Trail. Big Bend National Park, November 28, 2009
 Agaves on South Rim. Big Bend National Park, November 28, 2009
 Dry tree on South Rim. Big Bend National Park, November 28, 2009
 Dry juniper on South Rim. Big Bend National Park, November 28, 2009
 Cliffs of South Rim. Big Bend National Park, November 28, 2009
 Spillway Trail in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Spillway Trail in Brazos Bend State Park. Needville, Texas, September 4, 2010
 Smokey Creek Trail near Trap Spring east from Mule Ear Overlook, view to the west. Big Bend National Park, Texas, November 25, 2007
 Boot Rock from Boot Spring Trail at sunrise. Big Bend National Park, November 28, 2009
 Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, December 14, 2008
 Some sedge from Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Agaves on South Rim at sunrise. Big Bend National Park, November 29, 2009
 Cacti and agaves on South Rim. Big Bend National Park, November 28, 2009
 Pine tree on South Rim. Big Bend National Park, November 28, 2009
 Sunset from SW3 (Southwest Rim) campsite. Big Bend National Park, November 28, 2009
 Casa Grande Peak of Chisos Mountains from Emory Peak Trail. Big Bend National Park, November 27, 2009
 Snake skeletons on Prairie Trail in Brazos Bend State Park. Needville, Texas, June 2, 2012
 Bicyclist riding on Spillway Trail in Brazos Bend State Park. Needville, Texas, December 14, 2008
 Gayfeather (Liatris) on Prairie Trail in Brazos Bend State Park. Needville, Texas, June 2, 2012
 Winecup flower on Prairie Trail in Brazos Bend State Park. Needville, Texas, April 22, 2008
 "Giant anakonda" from Spillway Trail in Brazos Bend State Park. Needville, Texas, September 4, 2010
 White rose(?) on Prairie Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Oaks of Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, December 14, 2008
 Vines on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, December 14, 2008
 Spanish moss on Spillway Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Spillway Trail with Spanish moss in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Crooked pine on South Rim at morning. Big Bend National Park, November 29, 2009
 Elephant tusk Mountain from Southeast Rim. Big Bend National Park, November 28, 2009
 Dry juniper tree on South Rim at morning. Big Bend National Park, November 29, 2009
 Fall colors of Boot Canyon. Big Bend National Park, November 27, 2009
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