Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Lower Two Medicine Lake - Lower Two Medicine Lake is located partly in Glacier National Park as well as on the Blackfeet Indian Reservation in the U. S. state of Montana. The lake is natural but has a small dam which regulates the lake level and reduces the potential for downstream flooding. Lower Two Medicine Dam is an earthen structure built in 1967 for flood control and irrigation storage impounding a maximum capacity of 25120 acre-feet.
The answer to this question is:
Natural Place