II2 UNIVERSITY OF COLORADO STUDIES 
mation but with bunches of shrub-like plants chiefly Glycyrrhiza lepidota, 
Chrysothamnus graveolens and Eurotia lanata. 
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DETAILED VEGETATION Map OF Two SQUARE METERS ON RED MOUNTAIN, 
In making the map tapes were used to divide the area into 2-dm. squares. These are 
indicated on the map. All of the plants are shown on the map. Diagonal lines indicate 
Cercocarpus, dotted areas are grass patches, broken horizontal lines represent Euphorbia 
robusta. The following are designated by their initial letter: Allium, Gaura, Harbouria, 
Pentstemon, Tetraneuris. 
South and west of Red Mountain are rolling plains formed of dis- 
integrated sedimentary rock. The altitude of these plains is about 6,400 
feet. They represent a very broad lateral valley extending to the foot- 
