4 Tips for Creating a Strong Franchise Infrastructure. 5 Low-Cost Franchises You Can Start for as Little as $4,000. Many people are drawn to the built-in security of the franchise model: There's a track record, an established brand name, training programs â not to mention ongoing support and marketing assistance.
Interstate Commission on the Potomac River Basin. The Potomac basin stretches across parts of four states (Maryland, Pennsylvania, Virginia and West Virginia) as well as the District of Columbia. This area is also called the Potomac watershed.
The Potomac River basin study will focus on the freshwater part of the river upstream from Indian Head, Md. The average flow of the Potomac near Washington, D.C., is 7,440 million gallons per day for the period 1930-89.he Potomac River basin is underlain by many different types of rocks. The rocks in the mountainous Appalachian Plateaus and Valley and Ridge provinces are sedimentary (sandstones, shales, and limestones). The mountainous Blue Ridge and rolling Piedmont provinces are underlain mostly by crystalline rocks.