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period of ten years, at least, would be needed to gather and analyze data. <br />N.F.R.I. recommends a moratorium of ten years be placed on development in the <br />study area. A ten year moratorium would be useless without a sound and <br />adequately financed program to define the basic needs of these fish. <br />In the meantime, priority should be given to save these fish by any means <br />available, including artificial propagation and restocking in appropriate areas. <br />A tagging study was initiated on the Colorado River and its backwaters <br />by Utah Researchers in 1974 and has continued to the present. Important infor- <br />mation on movements of these fish has been obtained. These fish withstand <br />tagging and netting quite well, as some have been recaptured continuously <br />for a period of years. This study should be continued if continuity is to be <br />maintained. <br />In the event the Dominguez Reservoir project is approved and constructed, <br />a stretch of the Gunnison River will be inumdated or otherwise altered signi- <br />ficantly both upstream and downstream. In light of recent evidence, this <br />will have the effect of removing a large section of the Gunnison River per- <br />manently from potential squawfish and razorback habitat. In light of this, <br />N.F.R.I. feels a fish hatchery devoted specifically to propagation and main- <br />tenance of these fish should be an integral part of the reservoir project. <br />(34)