
Brogan serves as the primary focal point in this high-desert landscape of Malheur County, where the settlement's layout is defined by streets like 5th Ave and 7th Ave. To the west, the terrain rises sharply toward the summit of Cottonwood Mountain and the expansive Thorn Flat, while the lower elevations are marked by an intricate network of irrigation features. The managed water system is evident through the Low Line Ditch and High Line Ditch, which redirect flows from sources like Black Cr and Pole Cr to support local agriculture. This reliance on water management is further highlighted by a series of upland catchments including Wood Reservoir and Pritchard Reservoir. For those researching local lineages, the Brogan Cem sits north of the main town site along Cemetery Rd, providing a specific point of interest for genealogical study.
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This is the sole edition of this map. No revisions or reprints were ever made.
1950 · Jamieson
USGS Topo · 1:62,500
1951 · Huntington
USGS Topo · 1:62,500
1955 · Baker
USGS Topo · 1:250,000
1959 · Baker
USGS Topo · 1:250,000
1964 · Bridgeport
USGS Topo · 1:62,500
1964 · Brogan
USGS Topo · 1:62,500
1980 · Brogan
USGS Topo · 1:100,000
1988 · Birch Creek Meadow
USGS Topo · 1:24,000
1988 · Jamieson
USGS Topo · 1:24,000
1988 · Hope Butte
USGS Topo · 1:24,000