Gilbert, G. K.1877: Report on the geology of the Henry Mountains. US Geographical and Geological Survey of the Rocky Mountain Region. Washington DC.
3.
Humphreys, A. A. and Abbot, H. L.1861: Report upon the physics and hydraulics of the Missisippi River; upon the protection of the alluvial region against overflow; and upon the deepening of the mouths based upon surveys and investigations. Professional Paper of the Corps of Topographical Engineers, US Army, Washington DC.
4.
Taylor, T. J.1851: An enquiry into the operation of running streams and tidal waters, with a view to determine their principles of action; and an application of those principles to improvement of the river type. London.