Louise De Wet

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Louise De Wet
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Willamette River, by Daniel E. Coe of the Oregon Department of Geology and Mineral Industries, displays a 50-foot elevation range, with lower elevations shown in white and higher elevations in dark blue. Coe used LIDAR data to make the map; he writes that he was inspired by maps of the Mississippi River made by Harold N. Fisk for a 1944 Army Corps of Engineers study. From Atlas of Design.

Willamette River, by Daniel E. Coe of the Oregon Department of Geology and Mineral Industries, displays a elevation range, with lower elevations shown in white and higher elevations in dark blue. Coe used LIDAR data to make the map