Dah Professor:
The Dark Skies of Texas
Dah Professor:
Brown and Blue
Dah Professor:
Mount Livermore, Pine Peak & Brown Mountain
Dah Professor:
Mount Locke
Dah Professor:
12 meter Radio Telescope
Dah Professor:
The Hobby–Eberly Telescope
Dah Professor:
The 30 meter Hobby–Eberly Telescope
Dah Professor:
107" Harlan J. Smith
Dah Professor:
A View of Blue Mountain from Mount Locke
Dah Professor:
82" Otto Struve
Dah Professor:
82" Otto Struve
Dah Professor:
Mescal Agave
Dah Professor:
The 36" VBLA Telescope
Dah Professor:
Science & Nature
Dah Professor:
Scientists, Whatcha Gonna Do?
Dah Professor:
The Bird's Eye View
Dah Professor:
Takin' a Day off
Dah Professor:
Mount Livermore & Baldy Peak
Dah Professor:
Baldy Peak
Dah Professor:
Twoleaf 2-up
Dah Professor:
Tree Cholla
Dah Professor:
Polkadots
Dah Professor:
The Road to Old Toothy
Dah Professor:
The Chocolate Monster
Dah Professor:
Sawtooth Mountain
Dah Professor:
Cane Cholla
Dah Professor:
Sawtooth Mountain
Dah Professor:
Sawtooth Mountain
Dah Professor:
Sawtooth Mountain
Dah Professor:
Beef
