@article{246733, note = {"March 1997"--Cover.}, url = {http://library.usi.edu/record/246733}, title = {Recreational river use management plan Big Bend National Park. [microform] :}, publisher = {National Park Service, U.S. Dept. of the Interior,}, recid = {246733}, pages = {82 p. :}, address = {[Washington, D.C.?] :}, year = {1997}, }