2020 Map of Helix
USGS Topo · Published 2020About this map
Helix serves as the primary hub for this agricultural portion of Umatilla County, situated amidst the high-relief drainage basins of the Columbia Plateau. The landscape is defined by the complex branching of Greasewood Cr and its tributaries, including W Fork Greasewood Cr and Little Greasewood Cr, which cut through the undulating terrain. A distinct network of section-line roads such as Holdman Rd and Muller Rd organize the vast wheat-growing country, reflecting the region's long-established dryland farming traditions.
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Map Details
Editions of this 2020 Helix Map
This is the sole edition of this map. No revisions or reprints were ever made.
Other maps of this area
1935 · Pendleton
USGS Topo · 1:125,000
1953 · Pendleton
USGS Topo · 1:250,000
1956 · Pendleton
USGS Topo · 1:250,000
1966 · Adams
USGS Topo · 1:24,000
1966 · Smeltz
USGS Topo · 1:24,000
1966 · Cayuse
USGS Topo · 1:24,000
1966 · Holdman SE
USGS Topo · 1:24,000
1966 · Pendleton
USGS Topo · 1:24,000
1966 · Mission
USGS Topo · 1:24,000
1966 · Ring
USGS Topo · 1:24,000