What  is the name of  the area also known as the Ridge Valley Province where a ridgeline cut through on its East side??
Sharp Mountain: Sharp Mountain or Sharp Ridge (historically also spelled 'Sharpe') in eastern central Pennsylvania in the United States is a ridgeline (fold) of the Ridge-and-Valley Appalachians cut through on its east-side in the Tamaqua gap by the Little Schuylkill River which sunders it from the eastern extension of the ridgeline, the Nesquehoning Ridge. Ridge-and-Valley Appalachians: The Ridge-and-Valley Appalachians, also called the Ridge and Valley Province or the Valley and Ridge Appalachians, are a physiographic province of the larger Appalachian division and are also a belt within the Appalachian Mountains extending from southeastern New York through northwestern New Jersey, westward into Pennsylvania and southward into Maryland, West Virginia, Virginia, Kentucky, Tennessee, Georgia and Alabama.
Ridge-and-Valley Appalachians