OKLAHOMA ACADEMY OF SCIENCE 117 



of the lime used in the state comes from Texas and Missouri. Our 

 one plant is at Fort Towson in the southeastern part of the state 

 where much of its output finds its way into adjoining states. This 

 lack of lime plants is not caused by any lack of suitable limestone 

 within the state. There are several localities where both the stone 

 and wood for fuel are well situated with regard to transportation. 



Such brick plants as the writer has visited were doing a better 

 business in 1922 than they did in 1921. The brick -making industry 

 is handicapped by high fuel, high freights, lack of cars, and the 

 high cost of brick laying as compared with the cost of pouring 

 concrete. 



The Portland cement plants now operating in the state have a 

 combined capacity of 250,000 barrels a month, or 940 000 sacks a 

 month. It would require 1,175 large freight cars to move the 

 month's output. At the height of the season the demand was 

 greater than the capacity. 



XXIII. A PRELIMINARY INTERPRETATION OF CER- 

 TAIN PECULARITIES OF THE NORTH AND SOUTH 

 CANADIAN RIVER BASINS IN THE RED BEDS 

 AREA OF OKLAHOMA 

 C. J. Bollinger 

 From the Department of GeoLgy and Geography, 

 University cf Oklahoma. 

 The North Canadian and South Canadian river basins in the 

 Red Bed? plains area are quite unlike those of near by Cimarron 

 and Washita. These differences present an inteiesting physio- 

 graphic and geographic problem since the somewhat imique physio- 

 graphic history of the Canadian basin has resulted in differences 

 not only in topography, but also in soil, soil erosion, land utiliza- 

 tion, problems of road building and maintenance, location of rail- 

 roads, location and development of cities, water supply, flood con- 

 trol, and sewerage disoosal. It is the purpose of this paper to 

 point out the distinctive topographic features of the region in 

 question and their causes rather than to trace out their human 

 consequences. 



The most striking features of the North Canadian and South 

 Canadian basins in this region are (1) their narrowness; (2) the 

 relative'y high position of the region above sea level: (3) the small 

 local relief and unbroken character of the topography. (1) The 

 average width of the North Canadian and South Canadian basins in 

 Canadian and Grady counties is six to eight miles, whereas, the 



