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. '. <br />RANGE SITE N0. 63 Page 2 -- <br />r <br />GRAVEL BREAKS ~_~ <br />December 1975 <br />..., , <br />Native (potential) Vegetation and Guide for Determining Range <br />Condition. <br />Percentage composition by weight of the principal species may <br />totai as much as: <br />Blue grama 20 <br />Little bluestem 15 <br />Side-oats grama 10 <br />Prairie sandreed 10 <br />Indian ricegrass 5 <br />Needle-and-thread 5 <br />Junegrass 5 <br />Prairie clover 5 <br />Winterfat 5 <br />Sand dropseed 5 <br />Sedges 5 <br />Fringed sage 5 <br />Big bluestem T <br />Green need legrass T <br />Yucca T <br />Four-winged saltbush T <br />Other perennial fortis 5 <br />4. Total Annual Production <br />Fa~~orable years 1200 Pounds per Acre Air Dry <br />Unfavorable years 700 " " " " " <br />Aledlan years 900 " <br />5. soils . <br />a. Su,-face soils are gravelly and extremely porous, making <br />them capable of ta!<ing in water quire readily, but sus- <br />captible tc being droughty during dry periods. Soils <br />do nct void mcisture very well, but due to intake of water <br />and Dockets, the site produces a good growth of plants. <br />Salts do not collect to extent of affecting the growth <br />of slants. <br />b. Soils in this site are: <br /> <br />S[oneii:,m cr~velly loam <br />"iinslay grav~ily foam <br />