GEOLOGICAL SURVEY OF TEXAS.
E. T. DUMBLE, State Geologist.
BULLETIN No.2.
A PRELIMINARY REPORT
ON THE
SOILS AND WATERS
OF THE
UPPER RIO GRANDE AND PECOS VALLEYS
IN
TEXAS.
By H. H. Harrington,
Professor of Chemistry and Mineralogy, Agricultural and
Mechanical College of Texas.
STATE PRINTING OFFICE.
1890.