US National Archives
Our Documents: Boulder Canyon Project Act (1928)
Informative site that tells about the act that authorized the building of the Hoover Dam. Read the complete text of the Boulder Canyon Project here.
Keene College
Geo Granite: Don't Water. . . Shed a Tear
A captivating hands-on lesson plan where students create a watershed and its tributaries, then learn about the watershed's importance in geographic regions.
US Geological Survey
Usgs: Geologic Provinces of the United States: Basin and Range Province
Resource provides a description of the topography of the Basin and Range province focusing on its fault history and water drainage system.