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ID: 108712
Panorama of bluff at Ardyn Obo, showing level Gobi erosion plane, Mongolia, September, 1922
ID: 411025
How erosion starts at the beginning of the badlands, Mongolia, 1928
ID: 411060
A halt for luncheon on the way to Ula Usu, near the Mongol temple, Mongolia, 1928
ID: 318845
Merin, camel leader, at the head of the Expedition caravan crossing the dune of Tsagan Nor Valley, Mongolia, 1925
ID: ls3-17
Walter Granger brushes a dinosaur bone, Mongolia, 1921-1930
ID: ls6-8
Caravan traveling across the Gobi Desert, Flaming Cliffs in the background, Mongolia, [1921-1930]
ID: ls6-17
Expedition camp, Mongola, 1921-1930
ID: ls2-43
Topographers, left to right: H. O. Robinson, F. B. Butler, and L. B. Roberts, mapping Valley of Shabarahk Usu, Mongolia, 1925
ID: ls1-30
Expedition cars on plateau beyond the Pass, Mongolia, [1921-1930]
ID: ls4-54
On the way from Kalgan up to the Pass, near Wan Chuan Hsien, Mongolia, 1928
ID: ls3-11
Granger and Chinese assistant with the four legs of the giant Baluchitherium found in 1925, Mongolia
ID: 108700
Lamasary at Sain Noin Khan, [Hangayn Nuruu] Mongolia, 1922
ID: ptc-5494
Roy Chapman Andrews and William P. T. Hill mapping Badlands, Mongolia, Central Asiatic Expedition, 1928
ID: ptc-5401
Nest of oviraptor eggs, Mongolia, found during Third Asiatic Expedition, 1925
ID: ptc-5396
Expedition motor caravan atop dinosaur beds of Shabarakh Usu, Mongolia, Central Asiatic Expedition
ID: ptc-5395
Oasis in the desert, Mongolia, Central Asiatic Expedition
ID: ptc-5394
Connie [condor] sitting on bluff, Mongolia, Central Asiatic Expedition
ID: ptc-5393
Roy Chapman Andrews looking out at desert, Mongolia, Central Asiatic Expedition
ID: ptc-5392
Camel on sand dunes, Mongolia, Central Asiatic Expedition
ID: ptc-5389
Deepest portion of the Baron Sog strata on the red beds of Urtyn Obo, Mongolia, Central Asiatic Expedition
ID: ptc-5388
Escort by 50 Chinese cavalrymen across the plain beyond Kalgan, Mongolia, Central Asiatic Expedition
ID: ptc-5387
Camp, Mongolia, Central Asiatic Expedition
ID: ptc-5386
Rich fossil beds where 10-million year old dinosaur eggs and bones were found, Mongolia, Central Asiatic Expedition
ID: ptc-5385
Towing Fulton truck across a sand stream, Mongolia, Central Asiatic Expedition
ID: ptc-5384
Roy Chapman Andrews with bird, Mongolia, Central Asiatic Expedition
ID: ptc-5383
Roy Chapman Andrews relaxing outside tent, Mongolia, Central Asiatic Expedition
ID: ptc-5382
Camp with lava-capped Red Mesa in background, Mongolia, Central Asiatic Expedition
ID: ptc-5381
[Probably] Roy Chapman Andrews and seated camel with Mongol guide, Central Asiatic Expedition
ID: ptc-5380
Tents viewed from a distance, Central Asiatic Expedition
ID: ptc-5379
Camp and camel boxes, Urtyn Obo, Mongolia, Central Asiatic Expedition
ID: ptc-5378
Sunset view, wild donkey camp, Central Asiatic Expedition
ID: ptc-5376
Camel caravan traveling across the Gobi Desert, Mongolia, Central Asiatic Expedition
ID: 255084p
Lamasery at Tuerin, Mongolia, 1922
ID: 110272p
Route map, sheet 3, Mongolia, 1925
ID: 411055
Captain William P.T. Hill and Walter Granger determining location by the sun, Mongolia, 1928
ID: 411054
Listening to time signals sent from a radio station in Manila at expedition camp, Mongolia, 1928
ID: 411053
Listening to time signals sent from a radio station in Manila, at expedition camp, Mongolia, 1928
ID: 411029
Bad lands at Shireh Usu (Chimney Butte), Mongolia, 1928
ID: 410998
Showing the depth of the Baron Sog strata above the red beds at Urtyn Obo, Mongolia, 1928
ID: 410997
Roy Chapman Andrews looking at the white bad lands, one mile northwest of camp, Urtyn Obo, Mongolia, 1928
ID: 410996
Canyon, 4 miles east of Camp Baluch, Urtyn Obo, Mongolia, 1928
ID: 410993
Deepest part of Baron Sog strata, Urtyn Obo, Mongolia, 1928
ID: 410992
Tserin, head camel man of the expedition, Urtyn Obo, Mongolia, 1928
ID: 410991
Looking east from expedition camp, Urtyn Obo, Mongolia, 1928
ID: 410989
Dr. Berg in the Bad lands, Urtyn Obo, Mongolia, 1928
ID: 410987
Andrews at the eagle's nest, Mongolia, 1928
ID: 410986
Well defined bit of erosion in a gully about four miles east of Camp Baluch at Urtyn Obo, showing Baron Sog above the red beds, Mongolia, 1928
ID: 410984
Eocene bad lands, Urtyn Obo, Mongolia, 1928
ID: 410930
Staff of the Central Asiatic Expedition in the field, Mongolia, 1928
ID: 410795
Map of Ula Usu, Mongolia, 1925
ID: 410794
Map of Shabarakh Usu, Mongolia, 1925
ID: 410791
Map of Tsagan Nor, Mongolia, 1925
ID: 410779
Sandstone formation, Shabarak Usu, Mongolia, 1925
ID: 265365
Erosion of sandstone cliffs, Ungur Tsagan Nor, Mongolia, 1928
ID: 265364
ID: 251478
Roy Chapman Andrews preserving fish, Tsagan Nor, Mongolia, 1922
ID: 251112
Badmajapoff, member of the Third Asiatic Expedition, Mongolia, 1922
ID: 251101
Dodge car crossing Ongiyn River, Mongolia, 1922
ID: 110271
ID: 108708
Ongiyn Gol Lamasery, Mongolia, 1922
ID: 108707
Temple ruins and expedition camp at Sair Usu, Mongolia, 1922
ID: 108706
Expedition camp at Sair Usu, Mongolia, 1922
ID: 108699
Sain Noin Khan [Sainoin Han] Lamasery, Mongolia, 1922
ID: 411020
Elephant camp and the environs of the Gur Tung Khara region, Mongolia, 1928
ID: 411083
Roy Chapman Andrews in the badlands of Urtyn Obo, Mongolia, 1928
ID: 411019
Buckshot, Lu Taling, Walter Granger, and Albert Thomson (left to right) packing fossils at Hospital Camp (Dar Ser Hai), Mongolia, 1928
ID: 410963
Alonzo W. Pond explaining to Roy Chapman Andrews the stone Dune Dweller implements found just South of Baron Sog in the Shara Muren region, Mongolia, 1928
ID: 410933
Roy Chapman Andrews feeding two pet eagles in camp at Turtyn Albo, Mongolia, 1928
ID: 410910
The American Minister's party and members of the expedition at Chang Pei Hsien, on the plateau above the pass, first night's stopping place after leaving Kalgan, Mongolia, 1928
ID: 410903
ID: 411310
Roy Chapman Andrews holding baby antelope caught by J. McKenzie Young, Mongolia, 1928
ID: 411309
Roy Chapman Andrews, Mongolia, about 1928
ID: 410785
Roy Chapman Andrews with Merin on camel, Mongolia, 1925
ID: 410722
Expedition motor caravan atop the dinosaur beds, Mongolia, 1925
ID: 410763
Roy Chapman Andrews and George Olsen inspecting the even dozen dinosaur egg nest, Mongolia, 1925
ID: 410742
Walter Granger with assistant taking out nest of dinosaur eggs found by Norman Lovell, Mongolia, 1925
ID: 410762
Distant view of the nest of the even dozen dinosaur eggs, Mongolia, 1925
ID: 410734
Roy Chapman Andrews with first George Olsen find of dinosaur eggs, Mongolia, 1925
ID: 410743
Roy Chapman Andrews examining site of dinosaur eggs, Mongolia, 1925
ID: 410733
Roy Chapman Andrews examining first find of dinosaur eggs by George Olsen, Mongolia, 1925
ID: 410781
Mongolian village with herd, Altai Mountains in distance, Valley of Springy Brooks, Mongolia, 1925
ID: 410784
Roy Chapman Andrews and Merin with camel at Flaming Cliffs, Mongolia, 1925
ID: 410782
Roy Chapman Andrews telling Merin, camel leader, how to get caravan down to camp at Shabarahk Usu from top of Flaming Cliffs, Mongolia, 1925
ID: 410735
First dinosaur eggs found by George Olsen, Mongolia, 1925
ID: 410786
Camp at Shabarakh Usu, Mongolia, 1925
ID: 410730
Staff of Third Asiatic Expedition, Mongolia, 1925
ID: 410783
Merin leading camel caravan across the desolate dunes of Tsagan Nor in search of water, Mongolia, 1925
ID: 410780
Camels at Flaming Cliffs, Mongolia, 1925
ID: 410775
Merin, camel leader, at head of expedition caravan crossing the great dune of Tsagan Nor Valley, Mongolia, 1925
ID: 410774
Camel caravan resting in the midst of the sand dunes midway between Tsagan Nor and Boga Bogdo, Mongolia, 1925
ID: 410773
Roy Chapman Andrews and Merin, camel leader, in the dunes at Tsagan Nor, Mongolia, 1925
ID: 410772
Tserin, guide and hunter, with camel in dunes of Tsagan Nor, Mongolia, 1925
ID: 410771
Expedition camp at Shabarahk Usu, Mongolia, 1925
ID: 410770
Camels crossing the dunes of the Tsagan Nor for water, Mongolia, 1925
ID: 410769
View from atop Flaming Cliffs looking at camel caravan entering Valley of Shabarahk Usu, Mongolia, 1925
ID: 410768
Camels at the Flaming Cliffs, Mongolia, 1925
ID: 410767
Caravan of 125 camels at base of Flaming Cliffs of Shabarahk Usu, where dinosaur bones were found, Mongolia, 1925
ID: 410765
The even dozen dinosaur eggs, Mongolia, 1925
ID: 410764
Roy Chapman Andrews and the even dozen dinosaur eggs, Mongolia, 1925
ID: 410760
At nest of the even dozen dinosaur eggs, with George Olsen, who found them, at left, and Roy Chapman Andrews at right, Mongolia, 1925