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~~ <br /> ~I I ~ ~~~ ~~I ~ <br />~II ~I~ <br />~~ <br />~~ <br />,,~ <br />i, i <br />11y~ <br />!~ <br />~~ <br />iii <br />~ ~~ <br />%~ <br />~, <br />v~ <br />~~ <br />ca <br />C> <br />%~ <br />i~a <br />(61 <br />3° <br /> <br />Z <br />V <br />~~~ <br />~,~~0 h ~0. <br />y <br />24 July 1979 <br />Project No. 0073-03-03-O1 <br />~~ -- ,a c <br />JJ~._.i9iJ <br />James L. Schmieding <br />Reclamation Specialist <br />Department of Natural Resources <br />Mined Land Reclamation <br />723 Centennial Building <br />1313 Sherman Street <br />Denver, CO 80203 <br />~L <br />RE: Rossum Pits - File No. 79 <br />Dear Jim: <br /> <br />LChv~vS ion <br />i v 1, ..>_ <br />Enclosed you will find the Limited Impact Permit Application which I <br />mentioned in my letter of July 18. Additional information concerning <br />this change in applications is attached to the application form. Also <br />included are five copies of Exhibits C and F which reflect these <br />changes. <br />In addition I have enclosed five copies of the additional information <br />from the Colorado Forest Service and the Soil Conservation Service <br />which you requested in your adequacy letter of June 15. Also Exhibit <br />C now shows the vegetation type, which is grassland. This should <br />fulfill the requirements of the adequacy letter. <br />The Larimer County Flood Plain Administrator also wanted to know the <br />effects on downstream property owners; therefore, a water surface <br />profile was calculated. I have enclosed five copies of the HEC-2 <br />water surface profile computer run for both existing and proposed <br />conditions. Included are five copies of the flood plain map show- <br />ing the cross sections used in the HEC-2 program along with five <br />copies of cross sections A-A and B-B as shown on sheet number 4 of <br />Exhibit F submitted previously. In addition, there are five copies <br />of the water surface profile of both existing and proposed conditions <br />which shows that the water surface elevation of the 100 year flood <br />will be lowered after the excavation. As shown on both Exhibits C <br />and F there will be 100 feet of undisturbed area between the river <br />and Area I. This has been left so that flood waters can pass <br />through as they have historically. The applicant does not intend <br />to change the course of the river in any way nor does he plan any <br />excavation or fill within the river. If the river did change course <br />oW <br />o ~ <br />Q N <br />K <br />~_ H <br />w ~ <br />V F v <br />Y = <br />U ~ <br />moo <br />u <br />u <br />LL <br />0 <br />z <br />m <br />„'~\ <br />_ ~~~ <br />S <br />o~ <br />3 <br />~o <br />o z <br />o w <br />~~~ <br />w <br />o <br />Z N `Q <br />3 <br />>gM <br />o~,~ <br />N <br />V <br />LL <br />Z <br />c~ <br />C <br />Z <br />0 <br />N <br />Z <br />V <br />0 <br />u <br />N <br /> <br />