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Last modified
1/26/2010 10:09:23 AM
Creation date
10/5/2006 4:24:10 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
206
County
Larimer
Community
Fort Collins
Stream Name
Fossil Creek Drainage Basin
Basin
South Platte
Title
Master Drainageway Planning - Fossil Creek Drainage Basin, Fort Collins, Larimer County, Colorado
Date
8/1/1982
Designation Date
1/1/1983
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />I <br />I Table 21. Streern Bank Inventory. Table 21 (c on t I "ued) <br />I Height Fa I lure Fa Ilure He Ight Fa flure Fa' lure <br /> Reach Stre... Location (ft) Potential N:>tes Comroonts Re ach Stream Location (ft) PotentIal N:>'tes O:>rnments <br />I F Taft to Sh lelds 2- 8 Low C Low, grassy banks. Area re r a- <br /> 8&WF tlvely undeveloped. 14 B Taft to Sh lelds 4-10 M:Jderate B&WF Some evidence of active <br /> RS failures. <br /> 2 F Shields to con- 2-10 low to C Boslcally stable, grassy, low <br />I f luenee with MJderate B&WF banks. Some larger faIlures 15 8 5h lelds to con- 2-12 ~derate B&WF Some I ergs escarpnents noted <br /> Burns possIble on outs.de of meander f luence w t th to HI gh RS on meander bends. These may <br /> bends . Fossil be dangerous. Much of reach <br /> 3 F O:>nfluence with 2-12 has grassy, low banks. <br />I High B&WF Meander bends susceptible to <br /> Burns to Apple- RS I arge fa II ures. On e house 16 SM Taft to Sh lelds 2- 8 Low Un deve loped area. <br /> wood a rea. C presently threatened. <br /> Cantilever hl1lures also 17 SM 5h lelds to con- I- 4 Low Low bed cutting evident. <br />I possible where banks are low f I uanee w tth <br /> and grassy. Lang <br /> 4 F ApplEl'oK)od Area 3-12 ~derate B&WF First half of thIs reach has 18 L raft to Sh lelds 1- 6 Low Un deve loped area <br /> to Co lorado & to High RS low, grassy banks and little <br />I Southern RR C failure potential. The 19 L Sh lelds to Co 10. 1- 4 Low Grassy channel. <br /> downstrea.. half has high banks & Southern RR <br /> on the verge of fa' lure. 14 <br />I 5 F Co lorado A 4-12 Low to RS Generally a stable reachjo as 20 L 0:> I 0. & Southern 1- 4 Low Grassy channel. <br /> So uthern RR High B&Wf much of it has 10ft' jo grassy RR 14 to conf lu- <br /> banks. Howeverjo a few meander ence with Smith <br /> bends have tall banks with a <br /> high failure potential. 21 L Confluence with 4-12 Moderate B&WF Some faIlures evIdent. <br />I S.., th to Co 10. RS <br />6 F 287 to end of 4- 6 Low to B&WF Generally stable with 10< . & Southern RR SI Ides <br /> Fossil Creek ~derate RS grassy banks. 13 <br /> Parkway C <br />I 22 L RR 13 to RR 12 4-22 ~ der ate RS Upstream end has potential for <br />7 F End of fossil 6-25 M'Jderate B&Wf Banks show evIdence of recent B&WF sllJl1ps. Middle portion has <br /> Creek Parkway to Very RS failures. Revegetation 1 ndt- got a high bank Into bedrock. <br /> to o:>unty Road High cates considerable time has Downstream end t s grassy and <br /> 13 passed sInce I list major storm. fairly stable. <br />I Th is reach also conta'ns a <br /> I args escarpment on southern 23 L Co 10.. A Southern 4-12 Low to RS Upstre... hal f of thIs reach <br /> s Ide of meanderjo 20-25 ft RR 11 to conflu- High B&WF has hIgh failure potentlol. <br /> hIgh. Th is poses a conslde.- ence with Fosstl Downstrecm half has grassyjo <br />I ab Ie danger. stable banks. <br />8 F Oonstrean of 13 Very HI gh B&WF Ev (dance of recent fal lures. 24 ST County Road 13 4-12 ~derate B&WF Vertical banks evident. <br /> County Road 13 RS Banks appear to be at thresh- to o:>unty Road to High <br /> old of failure. 32 <br />I 9 F Upstream of 1- 6 Low R:>u ndjo low jo grassy banks 25 ST o:>unty Road 32 2-12 ~derate B&WF Up str..... hal f of th I s reach <br /> County Road to confluence RS has grassy, stable banks. <br /> 34 with Fossil Near confluence with Fossil <br />I 10 there Is some Instability, <br />F O:>unty Road 34 8-12 High B&WF Reach has vertical banks with possibly fro.. headcuttlng. <br /> to Un Ion RS sIgns of active failures. <br /> PaclflcRR <br /> Key to Symbols: F = Fossil Creek ST = Stanton Creek <br />I 11 F Union Pacific 4-10 ~derate C Several failures noted. Banks B = Burns Tributary B&WF = 810ck and Wedge Falls (collapse) <br /> RR to Footbr Idge B&WF range frOlll vertical to rounded SM = Sm I th Creek RS = RotatIonal SI"""s <br /> RS and grassy. L = Lang Gulch C = Cantilever Fa I lures <br />I 12 F Footbr I dge to 4-10 Low C Stablejo grassy banks. <br /> County Road 11 B&WF <br /> 13 F County Road 11 1- 4 tone Steble. lowjo grassy banks. No <br /> to En d of Study evidence of channel degrad.... <br />I Arch tlon. <br />I 44 <br />
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