Flood Profile Study, Squaw Creek, Linn County, Iowa prepared by U.S. Geological Survey, June 1968

(1968) Flood Profile Study, Squaw Creek, Linn County, Iowa prepared by U.S. Geological Survey, June 1968. Transportation, Department of

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Abstract

This report is the result of a cooperative agreement between the city of Cedar Rapids and the U. s. Geological Survey that provides for the collection of hydrologic data by the Geological Survey on small streams in and near the city. The city furnished the large-scale topographic map showing a stream reference line marked off in 1OO-foot stations and a part of the data on valley cross sections used in the preparation of this report. The purpose of this report is to show, for an 16,OOO-foot reach of Squaw Creek, (1) flood-inundation limits for a large flood under present channel and valley conditions, and (2) water-surface profiles for the above flood and for a lesser flood contained in a waterway restricted by two assumed degrees of encroachment. Mean velocities are also given at many places for the selected conditions. The information provided can be useful to State and local agencies involved in flood plain management.