THE UNIVERSITY OF OKLAHOMA / Geography University of Oklahoma The Rainfall Utilization Problem / /
NaturalFeature
Arkansas Valley / Ouachita Mountains / Rock Island / /
Organization
Dry Semi-Humid Division / Geology and Geography University / University of Oklahoma / OKLAHOMA ACADEMY OF SCIENCE / ded / PRELIMINARY DIVISION OF OKLAHOMA INTO / /
Person
Roger Mills / /
Position
Major / Harper / /
ProvinceOrState
Cimarron County / Hughes / Oklahoma / Okmulgee / Ellis / Texas County / Pittsburg / Semi-Humid Province / Woodward / th~ / /
A Preliminary Division of Oklahoma into Major and Minor Provinces on the Basis of Rainfall Adequacy