. Jefferson, Berkeley, and Morgan counties, by Grimsley, assistant geologist. White, state geologist. ^ _* Figure 4. Map showing the Topographical Divisions of the Eastern United States. The PIEDMONT PLATEAU lies along the eastern footof the Appalachian Mountain ranges. It extends west to theBlue Ridge .Mountains and cast to the Coastal Plain. Thiseastern line is often called the Fall Line as the largerstreams are navigable below this line, while above they aremarked b) waterfalls or rapids. This location represented inthe early histor) of the country the upper limit of navigationand


. Jefferson, Berkeley, and Morgan counties, by Grimsley, assistant geologist. White, state geologist. ^ _* Figure 4. Map showing the Topographical Divisions of the Eastern United States. The PIEDMONT PLATEAU lies along the eastern footof the Appalachian Mountain ranges. It extends west to theBlue Ridge .Mountains and cast to the Coastal Plain. Thiseastern line is often called the Fall Line as the largerstreams are navigable below this line, while above they aremarked b) waterfalls or rapids. This location represented inthe early histor) of the country the upper limit of navigationand the lower limit of water power, a combination of naturaladvantages which determined settlements; and along this line,as a result of these early settlements under such favorable con-ditions for development and growth, the present large easterncities ar<- located, Mew York, Philadelphia, Baltimore., Wash- WEST VIRGINIA GEOLOGICAL SURVEY. 37 ington, Richmond, etc. This area is an upland plateau cut intoby valleys, and with higher hills mostly even capped. Theeastern portion is made up of highly folded and


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgeology, bookyear1916