Managing the Russian River Aggregate Resourcesby James J. Jordan, EIP Associates, San Francisco, United States,
Abstract: As a result of analyzing the Russian River and its capacity to provide gravel, and through a sound examination of the geomorphology, hydrology, and groundwater conditions, the Sonoma County aggregate management program is being revised to correct the deficiencies identified in the 1980 ARM Plan. As proposed, future instream removal of aggregate will ensure that the rate of mining does not exceed the rate of aggradation and degradation. Deep pit terrace mining will be restricted and may be phased out, additional shallow terrace mining will be limited to the resources above the aquifer, and workable reclamation will be facilitated. The revised aggregate management program will ensure adequate gravel supplies to meet future needs for roads and other construction purposes, but will also recognize that the Russian River Valley is a valuable resource in the production of wine grapes and other high value crops.
Subject Headings: Rivers and streams | Resource management | Aggregates | Mines and mining | Gravels | Groundwater management | Highway and road management | Water resources
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