Law of the River documents from Reclamation: Managing Water in the West. This is the fourth in a series of volumes chronicling the history of the use and management of the Colorado River.
The print volume is in the library's Government Documents section (lower level) at I 27:81:C 71/. Along with the three previous volumes, it is available for browsing and searching electronically here. Selected documents are also available on the Department of Interior's Bureau of Reclamation web page.