The Grand Teton Natural History Association assists the National Park
Service in the development of a broad public understanding of the
geology, plant and animal life, history, and related subjects pertaining
to Grand Teton National Park. It aids in the development of museums and
wayside exhibits, offers for sale publications on natural and human
history, and cooperates with the Government in the interest of Grand
Teton National Park.
_Mail orders_: For a publication list, write the Grand Teton Natural
History Association, Moose, Wyoming 83012.
_Creative Director_: Century III Advertising. Inc.
_Designer_: Les Hays Studios, Inc.
_Color Separations_—_Assembly_—_Plates_: Orent Graphic Arts, Inc.
_Type_: Bodoni and Gothic
_Printer_: Omaha Printing Co.
_Printing_: Offset Lithography.
Six Colors on Covers
Two Colors on Body
[Illustration: GEOLOGIC MAP OF GRAND TETON NATIONAL PARK]
[Illustration: EXPLANATION]
CENOZOIC
QUATERNARY
Sand, gravel, and talus
_Includes glacial outwash and materials deposited by present
streams_
Landslide deposits
Moraine deposits of Pinedale glaciers
Moraine deposits of Bull Lake and older glaciers
TERTIARY
Volcanic rocks
_Lava flows and volcanic ash_
Conglomerate, sandstone, shale, claystone, marl, and pumice
_Deposited on land or in shallow lakes_
MESOZOIC
Conglomerate, sandstone, shale, and coal
_Deposited on land_
Shale, sandstone, and limestone
_Mostly deposited in shallow seas_
PALEOZOIC
Limestone, shale, and sandstone
_Deposited in shallow seas_
PRECAMBRIAN
Diabase dikes
Granite, gneiss, and schist
Fault
_Dashed where approximately located; dotted where concealed beneath
unfaulted younger deposits. U is on the side that moved up; D,
on the side that moved down_
Geologic contact
[Illustration: View southwest from Lake Solitude toward the Grand
Teton (right), Mt. Owen, and Mt. Teewinot. _Wyoming Travel
Commission photo by J. R. Simon._]
[Illustration: Grand Teton, Mt. Owen, and Mt. Teewinot from Jenny
Lake Flat. _National Park Service photo by W. E. Dilley._]