vitus' dance
darwin agitated
flasherette (rushmore variation)
colorado postcard iii (prep. studies)
colorado postcard: blackhawk
colorado postcard: roaring fork
the portal
the big 'o'
mystic slab
ramblin' wreck
by the numbers: seven
by the numbers: eight
by the numbers: ten
honorary degree
battersea bridge study
the evening star and the white seabird, alask
katharine hepburn, new york city
river sunset
clown et enfant
yellow clouds
gage county, may
gage county, june
john brown
n. 136th st. s of salt creek
platte valley e. of ashland
heat haze
the maya wind god