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f'ro JV) f, C COD (I pC; '-proD ~ \)e;C, Co 1 ~~~-.Q... \... tJ()\ ~ .Jt..,./\ ",D~ e, 6.0 OTHER STUDIES The U.S. Army Corps of Engineers completed a Flood Plain Information f(j Ne, l~ report on the B2g Thompson River in December 1971, which included delinea-~_~1 tion of the 100- and 500-year flood plains and profiles in the Vicinity L of Loveland (Reference 11). The hydrologic and hydraulic data developed by the U.s. Army Corps of Engineers was used in this report; therefore, the studies are in qomplete agreement. In May 1970, the U.S. Soil Conservation Service published a Flood Plain DES.~t ~ Information report for the Box Elder Creek Watershed (Reference 31). The '-30_70 report presented flood plains and profiles for the watershed with no ~ flood detention structure and with all structures constructed. Since this study is based upon existing conditions with some structures completed, ~no agreement between profiles or flood boundaries can be expected. ~ In February 1971, the U.S. Soil Conservation Service published a Watershed Work Plan for the Box Elder Creek Watershed (Reference 7). The discharges developed for the work plan were used in this study. There were no profiles developed for the work plan. The U. S. Army Corps of Engineers completed Flood Plain Information reports is [, on the Cache La Poudre River in the study area in October 1973 (Reference y( '" I'v ~ . 5) and October 1975 (Reference 28). The ~scbarges and water-surface .2 9 ~ :5 3 elevat20ns used in this Flood Insurance Study were taken from. the U.S. 3-ao~~ Army Corps of Engineers' Reports; therefore, they are in C~l~t~..agreement.~\l_"b Gingery Associates, Inc., has completed or is in the process of completing, Flood Insurance Studies for the Cities of Fort Collins and Loveland, and the TQwns. of _Es1;es P ~ and Wellington (References 32, 33, 34, and 35, respectively). These ports were well coordinated and, therefore, W~l ~_in ~qOlllDl"'i-"'~9E:?"m,.,.e..n.,,_t. I)rtt:.. N/) I/~ " 1:-.-,," l,.- I -:l The U.S. Army Corps of Engineers completed a Flood Plain Information report on the L~ttle Thompson River through Larimer County in June 1977 (Reference 36). The approximate flood boundaries for the Little Thompson River were taken from the 100-year flood plain boundaries developed by the U.S. Army Corps of Engineers, and are in agreement with this Flood _.~ Insurance Study. " r f- f,Ji\ '7 I) v) '-", '..., This study is authoritative for the purposes of the National Flood Insur- ance Program; data presented herein either supersede or are compatible with all previous determinations. 7.0 LOCATION OF DATA Survey, hydrOlogic, hydraulic, and other pertinent data used in this study can be obtained by contacting the office of the Federal Insurance Administration, Regional Director, Room 311, 909 17th Street, Denver, Colorado 80202.