Add to ORKGPittsburgh (542) with terrain data, x 3 exaggeration. These scenes show Pittsburgh and the countryside around it as seen by the Landsat Thematic Mapper (TM) instrument. Pittsburgh is built around the confluence of the Monongahela and Allegheny Rivers which join in the city to form the Ohio River. The terrain of the area is also shown exaggerated by a factor of three to emphasis terrain features such as the Appalachian Mountains and the river valleys. In the countryside image, north is up, the Monongahela River runs in from the south into the city while the Allegheny comes in from the north and the Ohio runs westward (to the left) out to the scenes edge. The image of the city appears from the perspective of a viewer above the Allegheny Rive...