"In this the final part of Forum's three part series hosts Gary Ellenbolt and Johanna Sailor examine the economic impact of wilderness in South Dakota's economy. How will high gas prices and lower numbers of travelers effect the actual dollar impact of wilderness to a tourist economy? What impact does Wilderness have on grazing lands for ranchers -- can livestock still graze in wilderness? And can we truly save the environment and natural places if we only view them for their economic value?