Listed below are primary documents that have made a significant contribution to understanding the science and history on the Colorado. The main subjects are listed in alphabetical order and by the year the documents were written. For geographic areas, the subjects are listed from the river's headwaters to the delta.

Write us to report a problem or add a document.

See also our "Archive Section"

See also contributions from scholars

• Click here for data, conversion tables, calculations, maps, graphics and interpretation aids.

ANNUAL OPERATING PLANS

• Click here for documents on dam operations.
• Click here to read article about the history of operations at Glen Canyon Dam.
  
• Click here to determine your own analysis of what the Colorado River system of reservoirs will look like in a future.

ARCHEOLOGY

• Click here to visit Anthropology

BIOLOGICAL OPINIONS

• Click here to visit the BiOp archive
• Click here to read article about endangered fish

COLORADO RIVER AND ITS TRIBUTARIES

See Reports

• See Floods 

HYDROLOGY

• Click here for hydrology and flooding documents
  
• Click here to read about the water budget of the Colorado River.

OIL SHALE & TAR SANDS

• Go to Energy Section

NATIONAL MONUMENTS AND PARKS

• See National Parks Section
  

RECORD OF DECISIONS

• See Dam Operations

RESERVOIR STUDIES: 

• See Reservoirs
  

SALINITY

• See Salinity

URANIUM MINING AND MILLING

• See Energy Section
  

UPPER COLORADO RIVER COMMISSION

• See Reports
  

WATER AUGMENTATION:

• See Reports

WATER PLANNING

• See Reports

WATER SCARCITY

• See Reports