TY - RPRT TI - Descriptions and elevations for First-Order, Class II leveling bench marks, and Global Positioning System (GPS) coordinates and elevations between West Yellowstone, Montana and Old Faithful, Yellowstone National Park, Wyoming AU - K.M. Yamashita AU - E.T. Endo AU - M. K. Sako AU - D.E. Wieprecht PY - 1997 DO - 10.3133/ofr9757 UR - https://pubs.usgs.gov/publication/ofr9757 ID - ofr9757 ER -