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ID: ptc-5387
Camp, Mongolia, Central Asiatic Expedition
ID: ptc-5388
Escort by 50 Chinese cavalrymen across the plain beyond Kalgan, 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-5392
Camel on sand dunes, Mongolia, Central Asiatic Expedition
ID: ptc-5393
Roy Chapman Andrews looking out at desert, Mongolia, Central Asiatic Expedition
ID: ptc-5394
Connie [condor] sitting on bluff, Mongolia, Central Asiatic Expedition
ID: ptc-5396
Expedition motor caravan atop dinosaur beds of Shabarakh Usu, Mongolia, Central Asiatic Expedition
ID: ptc-7206
Field notebook, Sketch map of Shara Murun Region, Central Asiatic Expedition
ID: ptc-7208
Field notebook, April 24, Chimney Butte Camp Section, Central Asiatic Expedition
ID: ls1-24
Tserin asking the way of Mongols, Mongolia, 1921-1930
ID: ls6-17
Expedition camp, Mongola, 1921-1930
ID: ls3-17
Walter Granger brushes a dinosaur bone, Mongolia, 1921-1930
ID: 251346
Field meet with parade of race horses, Tsagan Nor, Mongolia, 1921-1930
ID: 251295
A stop near a well brings a crowd [to view cars], Mongolia, 1922
ID: 39689
Map of probable expedition route for Asiatic Expedition, 1922
ID: 251808
Route maps drawn by Morris, 1922
ID: 251824
Altay mountain range, showing fault scarp and untilled Gobi peneplain, Baga Bogdo, Mongolia, sketch by Frederick Morris, 1922
ID: 251829
White cliffs at Hung Kureh, Upper Pliocene, looking north, drawing by Frederick Morris, 1922
ID: 108697
Sacred Mountain near Hot Springs, Arishan, looking west from camp, Mongolia, 1922
ID: 253828
Walter Granger and Shackelford's tent with equipment, rifle, and camera, Mongolia, 1922
ID: 251068
Expedition camp at Tuerin, Mongolia, 1922
ID: 255084p
Lamasery at Tuerin, Mongolia, 1922
ID: 251462
Owl's nest, Canyon Brook camp, west of Tze Tzen Wang, Mongolia, 1922
ID: 108699
Sain Noin Khan [Sainoin Han] Lamasery, Mongolia, 1922
ID: 251089
Camels at expedition camp, Mongolia, 1922
ID: 251207
Prayer shrine, Sain Norn Khan, Mongolia, 1922
ID: 251315
Driving herd of ponies across plain, Tsagan Nor, Mongolia, 1922
ID: 251531
Roy Chapman Andrews dressing Mongol girl's hand, Tsagan Nor, Mongolia, 1922
ID: 251477
Seiving for fish, Tsagan Nor, Mongolia, 1922
ID: 251478
Roy Chapman Andrews preserving fish, Tsagan Nor, Mongolia, 1922
ID: 251351
Winner of camel race seated on camel, Tsagan Nor, Mongolia, 1922
ID: 251326
Expedition spectators watching field meet, Tsagan Nor, Mongolia, 1922
ID: 251348
Mongols parading on horses, Tsagan Nor, Mongolia, 1922
ID: 251507
Walter Granger pasting skull of Baluchitherium, Mongolia, 1922
ID: 251492
Field of canon balls near end of Red Mesa, Oshih Basin, 1922
ID: 251502
Baluchitherium skull in situ, [Mongolia, 1922]
ID: 251499
Badlands just north of Tsagan Nor, Mongolia, 1922
ID: 251519
Walter Granger pasting paper on deer antler, Mongolia, 1922
ID: 108706
Expedition camp at Sair Usu, Mongolia, 1922
ID: 108707
Temple ruins and expedition camp at Sair Usu, Mongolia, 1922
ID: 108712
Panorama of bluff at Ardyn Obo, showing level Gobi erosion plane, Mongolia, September, 1922
ID: 253603
Geological map of Third Asiatic Expedition, Central Mongolia, 1922-1923
ID: 253843
Mongol woman mending our tent, Mongolia, 1922-1923
ID: 108777
Geologists notebook, showing 3 stages of development of Djadochta basin, Mongolia
ID: 251610
Djadochta formation near Chionji Cliffs, Mongolia, 1923
ID: 251811
Drawing of cross section, 26 miles west of Ardyn Obo, 1923
ID: 251812
Granite inlier, Gobi peneplane and Pangkiang stage lowland, drawing by Frederick Morris, 1923
ID: 251815
Drawing of three stages in development of Djadochta basin, Mongolia, 1923
ID: 251818
Western end of granite ridge, Iren Dabasu, Mongolia, drawing by Morris, 1923
ID: 251819
Fault in Oshih sediments, Mongolia, drawn by Morris, 1923
ID: 251820
Faults in Oshih sediments, Mongolia, 1923
ID: 251821
Fault, Oshih Mountain, Mongolia, drawing by Frederick Morris, 1923
ID: 251822
Diagram of faults in Oshih sediments, Oshih, Mongolia, 1923
ID: 251823
Looking westward from Oshih Mountain to the Attai, Oshih, Mongolia, 1923
ID: 251825
Reversed scarps or false cuestas, Ula Usu, Mongolia, 1923
ID: 251826
Genesis of reversed scarps or false cuestas, Ula Usu, Mongolia, 1923
ID: 251828
Page from field notebook, Baron Khara, porphyry ridge, and lava-capped mesa, Oshih, Mongolia, 1923
ID: 253838
Mongol woman at Lamasary, Mongolia, 1923
ID: 253839
Three women bring us presents of argal, Mongolia, 1923
ID: 253842
Mongol woman visitor to expedition camp, Mongolia, 1923
ID: 253879
George Olsen and baby camel, Shabarakh Usu, 1923
ID: 253889
A well scene, Mongolia, 1923
ID: 253899
Motor cars at Great Wall on return to Kalgan Pass, 1923
ID: 248560
Map of Asia showing location of Museum expedition discoveries, 1923
ID: 248561
Map showing route of Third Asiatic Expedition, 1923
ID: 108737
Shabarak-Usu, Djadochta formation near Chionji Cliffs, Mongolia, 1923
ID: 108742
Protoceratops skull in Djadochta beds, Shabarakh Usu, Mongolia, 1923
ID: 108745
Dinosaur butte in Djadochta beds near Shabarakh Usu, Mongolia, 1923
ID: 108746
ID: 108721
Ashile beds, 2 miles east of Red Mesa, Oshih basin, Mongolia, 1923
ID: 108722
Ashile beds, from group of exposures 3 miles east of Red Mesa, Oshih basin, Mongolia, 1923
ID: 108724
Ashile beds, east end of Red Mesa, looking north, Oshih basin, Mongolia, 1923
ID: 108726
Expedition camp near lava-capped Red Mesa, Oshih Basin, Mongolia, 1923
ID: 108729
Expedition camp at Red Mesa, looking south, Oshih Basin, Mongolia, 1923
ID: 108730
Cannonball Cliffs, east end of red mesa, Mongolia, 1923
ID: 108738
Shabarak-Usu, looking east from camp to Djadochta fossil field, Mongolia, 1923
ID: 108739
Stratification of Shabarak-Usu Djadochta Beds in isolated butte, Mongolia, 1923
ID: 108743
Erosion outline of Djadochta beds, Shabarakh Usu, Mongolia, 1923
ID: 108749
Tamarisk trees, Shabarakh Usu, Mongolia, 1923
ID: 251611
Chionji cliffs, Shabarakh Usu, Mongolia, 1923
ID: 251612
Djadochta beds at the Chionji cliffs, Shabarakh, Mongolia, 1923
ID: 251613
Djadochta beds near cliffs, Shabarakh Usu, Mongolia, 1923
ID: 251650
Camp, Oshih Basin, at east end of Red Mesa, Mongolia, 1923
ID: 251651
Oshih Basin at the eastern end of Red Mesa, Mongolia, 1923
ID: 251652
ID: 251653
ID: 251654
Oshih Basin, east end of Red Mesa, Mongolia, 1923
ID: 251655
Oshih Basin at east end of Red Mesa, Mongolia, 1923
ID: 251656
Oshih Basin at extreme eastern end of Red Mesa, Mongolia, 1923
ID: 251657
Oshih Basin badlands, at east end of Red Mesa, Mongolia, 1923
ID: 251659
Erosion remnants, west end of Red Mesa, Oshih Basin, Mongolia, 1923
ID: 251660
Old wall, Oshih Basin, west end of Red Mesa, Mongolia, 1923
ID: 251661
Oshih Basin, old wall at west end of Red Mesa, Mongolia, 1923
ID: 251662
ID: 108751
A nest of dinosaur eggs in-situ with weathered out eggs in foreground, in the red Cretaceous sandstone at Djadokhta, Mongolia, August, 1923
ID: 251751
Professor Henry Fairfield Osborn shares his package of "Pirates" cigarettes with man on camel, Mongolia, 1923
ID: 108760
Frederick Morris at plane table, edge of badlands, near Ula Usu expedition camp, 1923
ID: 251601
Camp at Artyn Obo, Mongolia, 1923
ID: 251827
Summary and section of Gurban Sackhan Piedmong Basin, Djadochta, drawn by Frederick Morris, 1923
ID: 108769
Outline of Mongolia superimposed onto map of United States, 1924