THIS IS PART TWO
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PRIMARY RESEARCH DOCUMENTS
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GEOLOGY OF GCNRA
- 1871 & 1872 - Diary of Almon Harris Thompson. Herbert Gregory, UHQ; 1939.
- 1877 - The Geology of the Henry Mountains by Grove K. Gilbert. Note: A very important scientific contribution.
- 2005 - Episodic incision of the Colorado River in Glen Canyon, Utah. Garvin et al.
- 2009 - Transport slopes, sediment cover, and bedrock channel incision in the Henry Mountains, Utah. Johnson et al.
- 2010 - Geology of Glen Canyon NRA. Anderson.
- 2012 -Geologic map of the Hite Crossing lower Dirty Devil River area Glen Canyon National Recreation Area, Garfield and San Juan Counties, Utah. UGS.
- 2020 - Methane emissions from muds during low water level stages of Lake Powell, Southern Utah. Malenda.
- 2022 - Sedimentary record of annual-decadal timescale reservoir dynamics: Anthropogenic stratigraphy Lake Powell, Utah, USA. Johnson.
Hydrology of GCNRA
Additional geologic features: On the Colorado River
- Visit our Geology section HERE
- Visit our Sediment section HERE
- Visit our Hydrology section HERE
- Visit our Flood section HERE
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A CHRONOLOGY OF SCIENCE IN GCNRA
HUMAN HISTORY ASSETS
VIDEOS
PRESENTATIONS
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1921 - US GEOLOGICAL SURVEY & SOUTHERN CALIFORNIA EDISON COMPANY
A reconnasaince for dam sites
MAPS: COLORADO RIVER
Going Upstream; Lee's Ferry To Green River Confluence
MAPS: SAN JUAN RIVER
Going upstream from Confluence to Chinle Creek
PROFILES: COLORADO RIVER
Going Upstream from Lee's Ferry to Green River Confluence
PROFILES: SAN JUAN RIVER
Going Upstream from Confluence to Chinle Creek
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1939: CHARLES BUTLER HUNT, RALPH MILLER & BERT LOPER
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1950 to 1993: KENT FROST
Professional land and river guide
San Juan River in San Juan County, Utah
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GLEN CANYON AND SAN JUAN CANYON RIVER TRIPS - 1950 TO 1962
Photographs, Films and Interviews
Downloadable Zip Files (most files are quite large)
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1952 to 1956: GEORGE SIMMONS
USGS employee and several colleagues
USGS MAPS from 1923: baseline data and observations before reservoir inundation
Simmon's Trip Diaries
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1957 to 1965: THE CONSTRUCTION OF GLEN CANYON DAM
Photo Archive: State of Utah
Photo Archive: Bureau of Reclmation at Denver, Colorado
Courtesy of Tom Martin
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1962 to 1968 -SIERRA CLUB
David Brower, Richard Norgaard, Phillip Hyde, Daniel Luten, Jr., Barbara Brower. Nancy Eberle, Terry and Renny Russell, and others.
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1967 - PROFESSOR LUNA B. LEOPOLD; CATARACT CANYON RIVER TRIP
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1969 - CENTENNIAL OF JOHN WESLEY POWELL RIVER TRIP
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1971 to 1974: NATIONAL SCIENCE FOUNDATION
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BUREAU OF LAND MANAGEMENT (BLM)
UTAH: Ownership and Natural Resource Maps; Circa 1975 (jpg images)
Glen Canyon National Recreation Area (Lake Powell)
Utah BLM: Circa 2017
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End of Part Two

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