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ID: 410934
Roy Chapman Andrews holding baby antelope caught by J. McKenzie Young, Mongolia, 1928
ID: 410905
Outside the wall of Wan Chuan Hsien, Roy Chapman Andrews with MacMurray, colonel of the Chinese cavalry, and aide, escorted out of Kalgan, 1928
ID: 410932
Members of Third Asiatic Expedition listening to Victrola outside tent, Mongolia, 1928
ID: 410931
ID: 410929
Expedition staff in the field, Mongolia, 1928
ID: 411042a
Roy Chapman Andrews with guide and camel, scanning desert for trails leading east, Mongolia, 1928
ID: 411042
Roy Chapman Andrews with guide scanning desert for trails leading east, Mongolia, 1928
ID: 265347
Albert Thomson and Chinese men covering bones of "Baron Sog monster" with burlap and flour paste, Mongolia, 1928
ID: 311598p
Map of Mongolia, 1926
ID: 311563
Map of Central Asiatic Expeditions, Mongolia, 1926
ID: 311501p
Continental sediments of Mongolia, Granger, Berkey, Osborn, 1926
ID: 311500p
Chart illustrating continental uplift of North America and Mongolia, 1926
ID: 311313p
Section of Kobdo Kalgan trail, 1926
ID: 311312p
Sair Usu and Kobdo Kalgan trail, Mongolia, 1926
ID: 311311p
Section of Sair Usu trail, Mongolia, 1926
ID: 311310p
ID: 311307p
Main Urga-Kalgan trail, Mongolia, 1926
ID: 311306p
Expedition route map, Miao T'an, 70 miles east of Ula Usu, Mongolia, 1926
ID: 311308
Section of expedition trail, Mongolia, 1926
ID: 311392
Map of general geology along Central Asiatic Expedition routes, central Mongolia, 1922, 1923, and 1925
ID: 311341
Map of general geology along Third Asiatic Expedition route, Mongolia, 1922-1923
ID: 410704
J. McKenzie Young inspects one of the air cleaners equipped on all cars, Mongolia, 1926
ID: 275349
Group at fossil pit number 611, above Yen Ching Kou, Wan Chuan Hsien, 1925-1926
ID: 110090
Mongol text, 1925
ID: 310935
Section of Mongolia, 1925
ID: 254082p
Elevations determined by barometer, Mongolia, 1925
ID: 254081p
ID: 109362p
ID: 318845
Merin, camel leader, at the head of the Expedition caravan crossing the dune of Tsagan Nor Valley, Mongolia, 1925
ID: 410790
Map of Tsagan Nor, 1925
ID: 410789
ID: 410787
Sunset scene in camp at Kholobolchi, Mongolia, 1925
ID: 410777
Our camel caravan crossing down through the Flaming Cliffs and entering the Valley of Shabarakh Usu, 1925
ID: 410776
Camels at the base of the Flaming Cliffs, Mongolia, 1925
ID: 410747
Distant view of Walter Granger at work on the Lovell find, Mongolia, 1925
ID: 410719
Close up showing flints partially excavated from the solid sandstone, Mongolia, 1925
ID: 410718
Picking up flints that have been weathered out, Nelson in foreground, Mongolia, 1925
ID: 410717
Members of the Expedition picking up flints, Mongolia, 1925
ID: 410716
Close up of the flints imbedded in the floor of the basin, Mongolia, 1925
ID: 410715
Close-up showing the flints imbedded in sandstone, Mongolia, 1925
ID: 410714
Showing the strata from which the flints were weathered out, team showing site, Mongolia, 1925
ID: 410713
Some of the choicest flints gathered, Mongolia, 1925
ID: 410710
View of the flint bearing Dune Dweller strata, Mongolia, 1925
ID: 410709
Showing the strata from which many of the Dune Dweller flints were taken, Mongolia, 1925
ID: ptc-6999
Roy Chapman Andrews with dinosaur eggs from the Flaming Cliffs at Shabarakh Usu, 1925
ID: ptc-5401
Nest of oviraptor eggs, Mongolia, found during Third Asiatic Expedition, 1925
ID: 110272p
Route map, sheet 3, Mongolia, 1925
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: 311188
Geological map, section of Mongolia, 1925
ID: 310908
Section of Mongolia, 1921-1925
ID: 310893
Map of a section of Mongolia, 1925
ID: 310892
Map of section of Mongolia
ID: 110271
ID: 258467
Roy Chapman Andrews, Mongolia, 1925
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
ID: 410761
Roy Chapman Andrews and George Olsen looking over the even dozen dinosaur eggs, Mongolia, 1925
ID: 410757
One of first camps among trees in Gobi Desert, Mongolia, 1925
ID: 410755
Campsite at the mouth of Tiger Canyon, Mongolia, 1925
ID: 410754
At mouth of Tiger Canyon looking south, Boga Bogdo nearly obscured by clouds, Mongolia, 1925
ID: 410751
Part of the great alluvial fan system that sweeps north from the Altai Mountains, Mongolia, 1925
ID: 410750
Looking due north out of Tiger Canyon, Mongolia, 1925
ID: 410748
Man sitting on rocks, Tiger Canyon with Boga Bogdo in background, Siren in foreground, Mongolia, 1925
ID: 410746
Walter Granger at work on the nest of dinosaur eggs found by Norman Lovell, Mongolia, 1925
ID: 410745
Walter Granger and "Buckshot" taking out dinosaur skeleton, Mongolia, 1925
ID: 410744
Granger and his assistants taking out a dinosaur skeleton from fossil beds where dinosaur eggs and bones were found, Shabarahk Usu, Mongolia, 1925
ID: 410739
Granger and Chinese assistant with four legs of giant Baluchitherium, Mongolia, 1925
ID: 410738
"Buckshot" taking out dinosaur skeleton and skull, Mongolia, 1925
ID: 410737
Dinosaur skull, Shabarahk Usu, Mongolia, 1925
ID: 410732
The staff taking a little refreshment, Mongolia, 1925
ID: 410731
1925 expedition staff, left to right: Robinson, Olsen, Chaney, Butler Nelson, Loucks, Lovell, and Shackelford; bottom row: Roberts, Andrews, Granger, Morris, Berkey, and Young, Mongolia