GOOGLE EARTH SATELLITE VIEW: Eastern Montana, US12 From Elevation 2592 To Elevation 3005 Ft. Plus Related Passages From Book Zen and the Art of Motorcycle Maintenance.,
In ZMM Route Segment 2 …The darker areas are in the center of the image, among slight hills, showing presence of a minor ridge.
…. At image right (2592 Ft), the narrow yellow line (US 12 Westward) goes straight and then, “meanders a little” as it goes through the minor hills, where the darker green means “and a little higher each time. ... Some shrubs appear “ ….After the minor hills, the road then goes through relatively level land (~3005 Ft), where this landscape must then go gradually down sufficiently to create what you see as => Aa narrow darker green band of a rain runoff channel, at 45 deg in the SW corner of the image (~2900 Ft). ….Notice that the flat areas, are a uniform medium brown, meaning grass, sage, and small dry bushes.: This is opposed to many of the slopes amongst the darker green areas, which are somewhat white, meaning wind & rain eroded barren slopes, especially if the slope is South or West facing. It is likely these whitish areas are actually composed of multi-colored layers of volcanic dust, giving evidence of very long history of volcanic eruptions, likely through eons of time, from Yellowstone National Park., mThis would have been the source of massive volcanic eruptions some 335 miles away to the Southwest.. These are mentioned many times in Henry S Gurr’s ZMM Route Research Photos (August 2019), To Find & Photograph Any Changes Since His First 2002 ZMM Research, 17 Years Earlier. PLEASE REMEMBER: Click Blue Gallery Level Navigation, Upper. Right, To Get Album Description. ….Study the image above and contrast to what the ZMM Narrator says => ….”Now the road meanders a little, now it cuts back away from the direction in which we should be going, then returns. Soon it rises a little and then rises some more. We are moving in angular directions into narrow devil’s gaps, then upward again higher and a little higher each time. ... Some shrubs appear.