Advanced Search (Items only)
ID: K14516
Rock formations, Painted Desert, Arizona
ID: K14515
Three Sisters rock formation, Monument Valley, Arizona
ID: K14514
Mitchell Butte, Monument Valley, Arizona
ID: K14513
El Capitan rock formation, Monument Valley, Arizona
ID: K14512
Cliff, Monument Valley, Arizona
ID: K14511
Sourdough Canyon, Monument Valley, Arizona
ID: K14510
Mitten rock formation framed by tree trunks, Monument Valley, Arizona
ID: K14509
Indian Chief rock formation, Monument Valley, Arizona
ID: K14508
Sitting Owl rock formation, Monument Valley, Arizona
ID: K14507
North Window opening in rock formations, Monument Valley, Arizona
ID: K14506
Cliffs, Monument Valley, Arizona
ID: K14505
Three Sisters formation seen through branches of tree, Monument Valley, Arizona
ID: K14504
Thunderbird formation on rock wall, Monument Valley, Arizona
ID: K14503
Juniper tree and rock formations, Monument Valley, Arizona
ID: K14502
Hidden Arch, visitors below, Monument Valley, Arizona
ID: K14501
Sun's Eye Arch, Monument Valley, Arizona
ID: K14500
Mitten Buttes, Monument Valley, Arizona
ID: K14499
Montezuma's Castle National Monument, Arizona
ID: K14498
ID: K14497
Canyon Diablo,1.2 km wide meteor crater, aerial view, Arizona
ID: K14496
Grand Canyon, Arizona
ID: K14495
ID: K14494
ID: K14493
ID: K14492
ID: K14491
ID: K14490
Battleship rock formation, Grand Canyon National Park, Arizona
ID: K14489
Bright Angel Trail, Zig Zag, Grand Canyon National Park, Arizona
ID: K14488
ID: K14487
ID: K14486
ID: K14485
ID: K14484
ID: K14483
ID: K14482
Grand Canyon heading towards Painted Desert, Arizona
ID: K14481
ID: K14480
Grand Canyon, late in the day, Arizona
ID: K14479
ID: K14478
Rocks, vegetation, trees, Grand Canyon, Arizona
ID: K14477
North Rim, Grand Canyon, Arizona
ID: K14476
Angel's Window, North Rim, Grand Canyon, Arizona
ID: K14475
Snow-covered mountain top, Denali National Park, Alaska
ID: K14474
Snow-covered Mount McKinley, Denali National Park, Alaska
ID: K14473
Snow-covered mountains, Denali National Park and Reserve, Alaska
ID: K13981
Decorated ivory band, Ipiutak, Point Hope, Alaska
ID: K13980
Corkscrew, Ipiutak, Point Hope, Alaska
ID: K13975
Spiral Swivel, Ipiutak, Point Hope, Alaska
ID: K13969
Carved whale box cover, Eskimo, Punuk Islands, Alaska
ID: K13968
Wolf carving, Eskimo, Tigara Village, Point Hope, Alaska
ID: K13967
ID: K13963
Carving found in grave, Ipiutak, Alaska
ID: K13952
Carved antler, Ipiutak, Point Hope, Alaska
ID: K13949
Basket with cover, plant fiber, Aleut, Alaska
ID: K13923
Turquoise, polished cabochon, 160 carats, Kingman, Arizona
ID: K13870
Topaz, 3 x 3 cm, Little Three Mine, California
ID: K13867
Schorl, stubby black tourmaline crystals, up to 4 cm high, on matrix of tan colored albite, Little Three Mine, California
ID: K13865
Quartz, large violet Amethyst crystals, 7 pounds, Upper Providence, Pennsylvania, found November, 1887
ID: K13864
Microcline, tan-colored Carlsbad twin, 8 x 4 x 3.5 cm, Himalaya Mine, California
ID: K13862
Lepidolite, pseudo-hexagonal crystals of lavender color, average size 2 cm, on 18 x 12 x 11.2 cm matrix, Little Three Mine, California
ID: K13832
Thick plate of flattened gold octahedral crystals, 9.5 x 6.0 cm
ID: K13830
Crystallized gold showing lattice-like network of intergrown crystals, 4.5 x 3.0 cm, United States
ID: K13828
Elbaite tourmaline, variety Verdelite, L 6.3 cm, Himalaya Mine, California
ID: K13827
Elbaite tourmaline, variety Bicolor, 9.6 x 3.8 x 1.8 cm, Himalaya Mine, California
ID: K13826
Elbaite tourmaline, variety Rubellite, transparent pink crystal, 5.5 cm long on quartz crystal matrix
ID: K13825
<em>The Microphone</em>, Elbaite tourmaline, variety Rubellite, L 25 cm, Himalaya Mine, California
ID: K13824
Copper crystals, average size 2 cm across, 25 x 20 cm, Lake Superior, Michigan
ID: K13823
Chondrodite, rounded brown crystals up to 1.5 cm across on matrix, Tilly Foster Mine, New York
ID: K13822
Black, striated chalcocite crystals on matrix, up to 2 cm long, Bristol, Connecticut
ID: K13820
Beryl, variety Morganite, 2.5 cm across, attached to a bicolored elbaite crystal, 10.7 x 7.5 x 5.5 cm, Tourmaline Queen Mine, California
ID: K13818
Azurite, crystal group on matrix, average 3 cm across, Bisbee, Arizona
ID: K13805
Donkey skeleton, suspended and posed for study
ID: K13804
Donkey skeleton, temporarily suspended from frame of horizontal rods
ID: K13803
Ribs of donkey skeleton temporarily held in position with steel and rubber bands, detail
ID: K13802
Donkey skeleton, held together temporarily with threads and screws for study of pose
ID: K13801
Trotting horse photographed by S.H. Chubb from boatswain's chair
ID: K13800
S.H. Chubb photographing trotting horse from boatswain's chair he devised
ID: K13799
S.H. Chubb painting line on horse's spine to prepare for photograph
ID: K13797
Polished slab, Labradorite, 7.5 cm across, displaying labradorescence (rainbow-like play of colors), Canada
ID: K13795
Spessartine, garnet crystal (2 cm across) on smoky quartz, Little Three Mine, Ramona, California
ID: K13794
Zircon, natural brown crystal, L 7.5 cm, Delaney, Ontario
ID: K13792
Elbaite (variety Rubellite), gem-quality crystal on matrix, 10 cm, Stewart Mine, California
ID: K13791
Elbaite, tourmaline (variety watermelon), four single gem-quality crystals, largest L 10 cm, Himalaya Mine, California
ID: K13789
Beryl, variety Morganite, gem-quality crystal in matrix, 6 cm across, Tourmaline Queen Mine, California
ID: K13785
Corundum, variety Sapphire, blue gravel, Yogo Gulch, Montana, United States
ID: K13783
Fluorite, green color, natural octahedral cleavage fragment, 20 cm across, Westmoreland, New Hampshire
ID: K13780
Quartz, variety Rock crystal, crystal group, L 10 cm, Hot Springs, Arkansas
ID: K13514
Gold leaf, twisted and perforated, on massive white quartz, H 5 cm, California
ID: K13175
Theodore Roosevelt equestrian statue at entrance to American Museum of Natural History
ID: K13097
Sand dollar, 3 x 3 in, Ventura county, California
ID: K13094
Coral fossil, 4 x 6 in, upper Helderberg limestone, Falls of the Ohio River, Kentucky
ID: K13091
Trilobite fossils and parts on 10 x 7 in sandstone slab, Trempealeau, Wisconsin
ID: K13090
Colonial bryozoan, various genera, average size 1 in, Glass Mountains, Texas
ID: K13087
Pyritized brachiopod (Paraspirifer bowenokeri), silica shale, 2 x 1 in, Sylvania, Ohio
ID: K13086
Colonial coral (Crepidophyllum prolatum) fossil, 5 x 7 in, Charlestown, Indiana
ID: K13081
Fossil trilobite in Burgess shale, Burgess Pass, British Columbia
ID: K13080
Fossil trilobite, 7 x 3 in, Clinton Formation, New York
ID: K13077
Fossil insect in shale, 1 in, Florissant, Colorado
ID: K13074
Fossil pine cones, 3 x 2 in, Asphalt pits, California
ID: K13073
Fossil plant in half of a concretion, L 3 in, Pennsylvanian coal, Mazon Creek, Illinois
ID: K13072
Fossil leaf, 1 x 6 in, Fort Union, Montana