. . . . "Ash Mountain quadrangle, Montana"@en . . "Gardiner quadrangle, Montana"@en . . "Roundhead Butte quadrangle, Montana--Wyoming"@en . "Topographic maps"@en . "Hummingbird Peak quadrangle, Montana--Wyoming"@en . "Specimen Creek quadrangle, Montana"@en . . "[Gallatin National Forest and other Forest Service areas] : 7.5 minute series (topographic)"@en . . "Maps"@en . . . "Gallatin National Forest, 7.5 minute series (topographic)"@en . . . . "Montana" . . "Gallatin National Forest (Mont.)" . .