The Snake River and Boise River converge in this agricultural corridor along the Oregon-Idaho state line. The landscape is defined by an intricate network of irrigation systems, including the Farmers Cooperative Sebree Canal and the Parma Canal, which support the fertile valley floor surrounding Parma. Small settlements like Apple Valley and the eastern edge of Nyssa anchor the region's rural character. Prominent river features such as Bridge Island and McConnel Island punctuate the waterways, while the Parma Airport and local landmarks like the Parma Cem provide specific points of interest for local historians. The presence of the Lower Boise Cem near the confluence reflects the long-standing settlement patterns of this river-bound boundary region.
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This is the sole edition of this map. No revisions or reprints were ever made.
1898 · Nampa
USGS Topo · 1:125,000
1906 · Mitchell Butte
USGS Topo · 1:125,000
1955 · Boise
USGS Topo · 1:250,000
1957 · Wilder
USGS Topo · 1:24,000
1957 · Notus
USGS Topo · 1:24,000
1958 · Boise
USGS Topo · 1:250,000
1962 · Boise
USGS Topo · 1:250,000
1965 · Nyssa
USGS Topo · 1:24,000
1965 · New Plymouth
USGS Topo · 1:24,000
1965 · Parma
USGS Topo · 1:24,000