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Individual/Organization
Sternberg, G.F. (2797)
Walker, M.V. (820)
Sternberg, L. (14)
Cooke, E. (3)
Pearce, G.B. (7)
York, G. (42)
UNSM Party (1)
and 706 more
Period
Cambrian (16)
Carboniferous (88)
Cretaceous (6141)
Cretaceous? (2)
Devonian (121)
Eocene (1)
Jurassic (20)
Miocene (1)
Mississippian (38)
Neogene (10063)
Ordovician (179)
Paleocene (1)
Paleogene (3080)
Pennsylvanian (433)
Permian (190)
Plaeogene (3)
Pleistocene (49)
Pliocene (121)
Quaternary (4795)
Silurian (48)
Tertiary (16)
Triassic (58)
and 15 more
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Early (2)
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Lat (1)
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Middle (1)
Miocene (7416)
Oligocene (1478)
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Pleistocene (3793)
Pliestocene (5)
Pliocene (2598)
Upper (2842)
and 8 more
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?Turonian (46)
Albian (70)
Aptian (139)
Burdigalian (19)
Calabrian (683)
Campanian (63)
Cenomanian (636)
Coniacian (92)
Coniacian? (3)
Desmoinesian (53)
late Middle Cenomanian (1)
Lutetian (27)
Maastrichtian (81)
Middle (2345)
Middle Cenomanian (58)
Priabonian (32)
Rupelian (156)
Santonian (770)
Serravallian? (1)
T (1)
Turonian (983)
Upper (2)
Virgilian (1)
Ypresian (108)
and 17 more
Formation
Altamont (55)
Ballard (298)
Barneston (1)
Barnestone (1)
Belly River (20)
Bern (1)
Black Creek (26)
and 132 more
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Americus (8)
Amoret (1)
Arkose (571)
Ash Hollow (56)
Atwater (755)
B2 (11)
basal (49)
and 83 more
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Argentina (24)
Australia (3)
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Brazil (1)
Canada (69)
Chile (2)
China (12)
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Ireland (1)
Mexico (7)
Morocco (3)
Poland (2)
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Thailand (5)
United Kingdom (1)
United States of America (25245)
and 12 more
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Idaho (73)
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Iowa (51)
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Minnesota (9)
Mississippi (1)
Missouri (27)
Montana (48)
Nebraska (789)
Nevada (178)
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Tennessee (3)
Texas (44)
Utah (2739)
Victoria (2)
Virginia (8)
Washington (10)
Wisconsin (74)
Wyoming (1523)
and 42 more
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Adam (2)
Adams (64)
Adams (4)
Alachua (1)
Albany (1)
Allegheny (1)
Allen (1)
and 244 more