The University of Colorado Studies, Volume 6

Abundant summer resident Agricultural College Exper alpine altitude American augite biotite Botanical Boulder County Bull Caribou Penard collected Colo Common on plains Common summer resident Cones cottonwoods Crataegus Creek crystals cyanide Denver dike Diplomatic Correspondence distribution East and West Engelmann spruce feet feldspar Fenian Brotherhood Flora Foothill forest found it nesting Gale found Genus gold granite groundmass hornblende Ireland Irish June latite Leaves less limber pine Longmont lower magnetite mesa minerals moisture Montane Mylodon noted occur organ orthoclase Paramylodon Penard phenocrysts Pike's Peak Pinus plagioclase plains in migration plants play Pole Canyon present pyroxene quartz RAMALEY records Redrock Lake region Report resident of mountains resident of plains Rock Pine Rocky Mountain Rydb Salix sedge zone seen shrub zone shrubs slope soil specimens Stizus godmani sub-alpine taken temperature Thornapple timberline Torr trees Tronchin United University of Colorado vegetation West East willows winter xerophytic