 76 Borneo sketch-5b
|  76 Borneo sketch-6a
|  76 Borneo sketch-6b
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 76 Borneo sketch-7a
|  76 Borneo sketch-7b
|  76 Borneo sketch-8
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 76 Borneo sketch-9
|  76 sketch F-100s on the runway
|  76 sketch aspen shadows on snow
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 76-04 sketch Grand Canyon West of Mojave Point
| .jpg) 76-06 sketch-a Late Sun at the Red Wall Grand Canyon (2)
|  76-06 sketch-b Late Sun at the Red Wall Caverns Grand Canyon
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 76-07 sketch-a Deer Creek
|  76-07 sketch-b Deer Creek
|  76-08 sketch Zoroaster Temple Grand Canyon
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 76-09 sketch Wotons Throne
|  76-12 sketch Snow Flurries Grand Canyon
|  76-13 sketch 98-mile Rapid
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 76-21 sketch Proa Lombok Strait
|  76-21 sketch-b
|  76-28 sketch Mauve Sunset on the Coast of Sabah
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 77-04 sketch Snow Squalls Central Utah
|  77-05 sketch-a Twilight Peak Colorado
|  77-05 sketch-b Twilight Peak Colorado
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 77-05 sketch-c Twilight Peak Colorado
|  77-06 sketch Towering Cumulus
|  77-07 sketch Winter Sunset Canon de Chelly
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 77-08 sketch Anvil Top
|  77-09 sketch Anasazi Ruins Canon del Muerto
|  77-17 sketch Black Mesa
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.jpg) 77-17 sketch-a Black Mesa (1972 sketchbook 9)
| .jpg) 77-17 sketch-b Black Mesa (1972 sketchbook 9)
| .jpg) 77-17 sketch-c Black Mesa (1972 sketchbook 9)
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 77-23 sketch Rainshowers North End of the Sandias
|  77-24 sketch-b Midsummer Sunset Sandias
|  77-25 sketch-a La Luz
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 77-25 sketch-b La Luz
|  77-25 sketch-c La Luz
|  77-25 sketch-d La Luz
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 77-28 sketch Red Sunset
|  78 sketch-a Hawaii shore
|  78 sketch-a
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 78 sketch-b Hawaii wave
|  78-09 sketch Summer Clouds
|  78-10 sketch Just Before the Storm
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 78-11 sketch Virga
|  78-13 sketch F-11s Taking Off at Phan Rang
|  78-16 Spectre Brave Shield notes
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 78-30 notes Spectre Brave Shield
|  79 sketch contour study lot 237
|  79 sketch Lot 237 Sandia Heights contours
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 79 sketch orientation of 237 Spring Creek Ct. lot
|  79 sketch Sandias elevations
|  79-01 sketch The East Wall of Zion
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 79-03 sketch a horse measurements
|  79-03 sketch b rider Jay
|  79-03 sketch c Coronado
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 79-03 sketch-a Coronado Arrives at Tiguez
|  79-03 sketch-b Coronado Arrives at Tiguez
|  79-05 sketch La Bolsa de Juana Lopez
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 79-07 sketch-a Elves Chasm
|  79-07 sketch-b Elves Chasm
|  79-07 sketch-c Elves Chasm
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 79-08 sketch Summer Clouds
|  79-10 sketch-a The Quiet Look of Summer
|  79-10 sketch-b The Quiet Look of Summer
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 79-11 sketch-a Thunderhead Domingo Baca Arroyo
|  79-11 sketch-b Thunderhead Domingo Baca Arroyo
|  79-11 sketch-c sketch Thunderhead Domingo Baca Arroyo
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 79-11 sketch-d sketch Thunderhead Domingo Baca Arroyo
|  79-11 sketch-e Thunderhead Domingo Baca Arroyo
|  79-12 sketch-a Arroyo del Oso cloud
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 79-12 sketch-b Arroyo del Oso left
|  79-12 sketch-c Arroyo del Oso right
|  79-19 sketch Rosalyn
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 79-22 sketch The End of Autumn
|  79-23 sketch-b Field Study Sandias in Autumn
|  79-23 sketch-a Field Study End of Autumn
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 79-23 sketch-c Field Study Sandias in Autumn
|  79-28 sketch-a Elves Chasm perspective
|  79-28 sketch-b The Falls at Elves Chasm
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