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"4ti~-Hydrological Interpretations . _ ~s'~< Sandy Plains,li26 s -. -_- -_ Soilsnin this site are grouped into "B" and "C" hydrologic groups, • H,:as outlined 3n the "Soils of Colorado Loss Factors and Erodibility Hydrologic Groupings 1979" handbook. Field investigations are needed to determine hydrological cover conditions and hydrologic __ _ _ curve numbers. The hydrologic curve number for Group "B" soil is _, ~~ ..about 69 for all the soils except Renohill series which are Group _ "C" with a hydrologic curve number of 79 when hydrologic conditions are good, as shown in "Peak Flows in Colorado" handbook. 'Refer to SCS National Engineering Handbook, Section 4, to determine ___runoff quantities from the curves. 5. Recreation and Natural Beauty Name` - .wooly locoweed,.;.. Astragalus mollissimus plants appear all animals, early in the but chiefly spring. All horses. parts of the plant are toxic. ;c; : i ~_ 'j ~' .! t•~,. This site has many forbs that bloom from early spring to early - -summer-which are aesthetically pleasing. Recreation in limited to -,:"the: ;hunting of cottontail rabbits, anelope and mourning doves. ~ i_ .~Y w.. .. 6. 'Endangered Plants and Animals °_... ... '. Lessen"Prairie Chicken ;: . 7. -Major•Poisonous Plants to Livestock That May Cause Poisoning -. _,-~ ~,-.a:_~_ _'< _ Season Animals Commbri ?" z. r:P,;.-.. Scientific Name Dangerous . Affected Name. .:. :-.-;;:.~_.-_ broom snakeweed-~rr~->, a Xanthocephalum when forage cattle- - ` . -, -~:~.:c.: '~, sarothrae is scarce sheep ~- - Effect' and~'symptoms Poisoning is not common but will occur on overgrazed ranges. Causes abortion''in'cattle or may produce weak underweight calves. Losses are . '. sporadic. and°~will occur when 10 to 20 percent of the body weight of green - - mater,al~is-consumed in 1/2 to 20 weeks. Season Animals '--- Common-~=--- Scientific Name Dangerous Affected