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<br />e <br /> <br />e <br /> <br />e <br /> <br />COLORADO WATER CONSERVATION BOARD <br />Department of Natural Resources <br />721 State Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />Phone, (303) 866-3441 <br /> <br />STATE OF COLORADO <br />8 <br /> <br />TO: <br /> <br />Colorado Floodplain Administrators <br /> <br />Roy Romer <br />Governor <br />J. William McDonald <br />Director <br />David W. Walker <br />Deputy Director <br /> <br />FROM: <br /> <br />Mark Matulik <br />Colorado community Assistance Program Coordinator <br /> <br />DATE: <br /> <br />June 6, 1990 <br /> <br />SUBJECT: Catalogue of Benchmarks <br /> <br />The Colorado Water Conservation Board (CWCB) is currently <br />compiling a "Catalogue of Benchmarks" for the state's counties and <br />municipalities east of the continental divide. The objective of <br />this effort is to prepare a comprehensive index of benchmarks. by <br />community, which can be used by local floodplain administrators when <br />implementing the provisions of their local floodplain ordinance and <br />floodplain management plan. <br /> <br />We are presently utilizing U.S, Coast and Geodetic Survey data <br />to form the foundation of this effort, However. we would like <br />obtain information from you concerning known benchmark data in your <br />community. Therefore. we are requesting your assistance in <br />providing any benchmark information in your community which is tied <br />to USGS datum. Could you please list below such benchmarks in your <br />community including their most recent adjustment information? (If <br />you have this information in a written format which can be xeroxed, <br />please send copies so it can be included in the index). The last <br />part of the effort will involve the CWCB transferring all available <br />benchmark data to a copy of your Flood Insurance Rate Map(s). Both <br />a copy of the maps and the index will be sent to you. <br /> <br />Benchmark(s); <br />(brass cap data i.e. elevation, agency name, etc.) <br /> <br />Location and description: <br /> <br />Recent adjustments: <br /> <br />Referenced to NGVD of 1929: ___Yes ___No <br /> <br />Please return to the CWCB by June 30. 1990 <br /> <br />2571E* <br />