"I use GPS (Global Positioning System) and an integrated sonar system to create maps of underwater terrain. I've mapped nearly 20 lakes in Montana and a handful more in Oregon. These include ...

The latest version for Montana was released ... The new USGS maps feature more complex road classifications, aerial photo overlays, improved terrain shading, military installation boundaries ...

He has hiked, climbed and skied in this bit of geography for over 30 years ... has the lowest elevation of any Montana town -- 1,888 feet. Raven Maps has produced a beautiful and large topographic ...

NBC Montana talked to Forest Service officials to ... Urie pointed out snowmobile trails on aGallatin National Forest map. "You can't look at a map and say that whole green blob is rideable ...

Since Tuesday night the mountains of southwestern Montana had received ... areas of steep terrain due to resolution of data,” Marienthal said. “Always compare maps to reality when you are ...

Every state boasts of great beauty and a history worth remembering. Montana though, combines geography and an unquiet record of the past into an enviable mix. Our topography is diverse and stunning.

"I use GPS (Global Positioning System) and an integrated sonar system to create maps of underwater terrain. I've mapped nearly 20 lakes in Montana and a handful more in Oregon. These include ...