Cecil county . Fig. 18. Profile of Susquehanna River from its source to Williamsport, Fig. 10. Profile of Susquehanna River from Williamsport, Pa., to Havre de Grace. There are a number of lakes in the basin of the Susquehanna, butthey are so small in comparison with the immense drainage area ofthe river that they have but little effect upon the regulation of itsflow. Possibilities of artificial storage are good, as dams of compar-atively small cost could be built on some of the upper tributaries andlarge quantities of water stored. A large part of the drainage areahas been cleared of tim
Cecil county . Fig. 18. Profile of Susquehanna River from its source to Williamsport, Fig. 10. Profile of Susquehanna River from Williamsport, Pa., to Havre de Grace. There are a number of lakes in the basin of the Susquehanna, butthey are so small in comparison with the immense drainage area ofthe river that they have but little effect upon the regulation of itsflow. Possibilities of artificial storage are good, as dams of compar-atively small cost could be built on some of the upper tributaries andlarge quantities of water stored. A large part of the drainage areahas been cleared of timber, but in the mountain regions of Pennsyl- MARYLAND GEOLOGICAL SURVEY 275 vania there are still immense tracts of forest lands. At flood heightthe river may rise 30 feet, while the minimum flow of the stream issmall, as may be seen from the records of discharge on the follow-ing pages. In the Tenth Census of the United States, volume xvi, may befound data upon the fall of the tributaries and main Susquehanna,and a record of waterpowers developed and undeveloped. A systematic study of
Size: 2120px × 1179px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectgeology, bookyear1902
