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.
Upper Course. The upper course of a river is often in steep, mountain areas. This section of a river is cold, clear and fast-flowing. It has a very steep slope. When the river flows down through the upper course the river channel becomes narrow. This creates vertical erosion forming a V-shaped valley. Waterfalls are also, usually formed at this stage.