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From August 1973 to June 1974, a study was made of the value of the riparian vegetation along the Sacramento River to avian and mammalian populations. Avian populations of nine selected quadrats were studied to determine bird density and diversity. A total of 72 species, including the rare yellow-billed cuckoo (Coccyzus americanus), were identified. Censuses of each quadrat varied from...
A 1980 aerial atlas covering the Sacramento River from Collinsville to Shasta Dam. The photography was taken on September 29, 1980. River miles, project levees, reclamation district boundaries, levee maintenance district boundaries, county boundaries, gaging stations, geographic names, and hydrological features are included.

