Bill Walker:
crw_7771
Bill Walker:
crw_7689
Bill Walker:
crw_7340
Bill Walker:
crw_7338
Bill Walker:
crw_7322
Bill Walker:
"Sludge Drying Ponds"
Bill Walker:
crw_7290
Bill Walker:
crw_7287
Bill Walker:
crw_7268
Bill Walker:
crw_7255
Bill Walker:
crw_7202
Bill Walker:
crw_7195
Bill Walker:
Black skimmers
Bill Walker:
Laughing Gull
Bill Walker:
Sandwich Tern
Bill Walker:
crw_7172
Bill Walker:
Whooping Crane Tours
Bill Walker:
crw_7101
Bill Walker:
crw_7075
Bill Walker:
Rabbit's Cluster
Bill Walker:
Rio Grande River
Bill Walker:
Frio Bat Cave
Bill Walker:
Frio Bat Cave
Bill Walker:
Bats at sunset
Bill Walker:
Frio Bat Cave
Bill Walker:
Frio Bat Cave
Bill Walker:
Sunset
Bill Walker:
Leakey, TX
Bill Walker:
crw_7877
Bill Walker:
crw_7871
