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vegetation types and their references areas was Quercus <br />$ambelii followed by CercocarPos montanus and <br />- -- ----- - ------ <br />Artemisia tridentata. Appendix D includes shrub heights <br />.. measured for each individual observed in density <br />determinations. <br />I-3.8 Tree Heights <br />Juniaerus osteosperma was the tallest tree recorded <br />;,_ on the strip mine study area for both study and reference <br />-- areas averaging 19'6" height on the former and 21'2" on the <br />-- latter (Table 16). Pinus edulis averaged 16' on the study <br />area and 17'71" on the reference area. Tree height data are <br />• <br />I-3.9 Winter Browse Species <br />contained in Appendix E. <br />- Several important winter browse species used occasionally <br />by livestock and wildlife were found on the study areas. <br />These include juniper, big sagebrush, mountain mahogany, <br />,- <br />_ serviceberry, chokecherry, gambel oak, snowberry, and douglas <br />- and rubber rabbitbrush. <br />_ Of particular importance sre serviceberry and mountain <br />_ mahogany. Mule deer are common in this region and rely heavily <br />on the serviceberry and mahogany foliage and twigs during <br />!_ the winter season and evidence of utilization was apparent. <br />-., <br />- 38 - <br />