The vegetation of the Glass Mountains, Texas
Date
1946
Authors
Warnock, Barton H.
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Description
The Glass Mountains are a partially isolated range located in the northeastern part of Brewster County and extending as low interrupted hills into Pecos County southwest of Fort Stockton. The 103rd meridian passes through the eastern boundary of the mountains while the southern limit is approximately the 31st parallel of latitude. More accurately the southernmost boundary is terminated at Altuda, a section station on the Southern Pacific Railroad. The thrust of the range extends about 30 miles from Altuda in a north-easterly direction and has an average width of about 12 miles in the central portion (Frontispiece). The structural aspect in this area has been greatly modified by numerous faults and by volcanic action. The Glass Mountains are known to represent the most complete exposure of Permian limestone outcrops present in the Big Bend Region of Texas. The geology of the area was carefully worked by Philip B. King and his brother Robert E. King during the period 1925 to 1927. Many of the geological data used in this plant study are based upon the excellent work performed by the King brothers. A purely scientific interest in this group of mountains, heretofore not intensively investigated, suggested the need for an analysis of the vegetation which would serve as a foundation for further ecological work. Field investigations were started in the summer of 1940 and continued through the summer of 1942. The writer was in the Armed Forces during 1943-1944 and was thus unable to complete this report until 1946