General Structure and Writing Style. The function of a research design is to ensure that the evidence obtained enables you to effectively address the research problem logically and as unambiguously as possible.
ALLEGHENY RIVER HISTORY. Location: A river rising in north-central Pennsylvania and flowing about 523 km (325 mi) northwest into New York then southwest into Pennsylvania again, where it joins the Monongahela River at Pittsburgh to form the Ohio River.
The Ohio river is a major tributary of the Mississippi river. Starting at the confluence of the Allegheny and Monongahela rivers in Pittsburgh,PA. The Ohio river then empties into the Mississippi river at Cairo,Ill. The Susquehanna river flows southward until it reaches the Chesapeake Bay.