<prompt> Go tloga ka 1972, National Park Service e ile ya thoma go dumelela mello ya tlhago kua Yellowstone go tuka ka tlase ga maemo ao a laolwago. Melo ya mohuta wo e be e bitšwa mello ya tlhago yeo e laolwago. Magareng ga 1972 le 1987, palomoka ya mello ya tlhago yeo e laolwago ya 235 e tšhumile 33,759 acres 137 km2 ka tlase ga ditaelo tša pholisi e mpsha. Go tše, ke 15 feela yeo e phatlaletšego go feta 100 acres 0.4 km2.  <response>: Yellowstone 