East Fork Rock Creek and its complex network of tributaries carve through this Granite County landscape, shaped by decades of water management and resource extraction. The presence of the Ant Mine near the headwaters of South Fork Antelope Creek highlights the mineral interests that have long driven development in these mountains. Irrigation infrastructure, including the Flint Creek Canal and the Carey Lateral, demonstrates the engineering required to support downstream agriculture, while the East Fork Reservoir serves as a primary water storage hub. Evidence of local place-naming traditions appears in landmarks such as Schoolmarm Gulch, Corral Gulch, and Dearborn Gulch. Recreational use is centered around the Potato Lakes and dedicated sites like Spillway Campground and East Fork Campground, reflecting the area's transition into a modern forest-use corridor served by Georgetown Lake Rd.
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This is the sole edition of this map. No revisions or reprints were ever made.
1908 · Philipsburg
USGS Topo · 1:125,000
1909 · Sapphire
USGS Topo · 1:125,000
1947 · Butte
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000
1960 · Butte
USGS Topo · 1:250,000
1962 · Butte
USGS Topo · 1:250,000
1971 · Georgetown Lake
USGS Topo · 1:24,000
1971 · Antelope Creek
USGS Topo · 1:24,000
1971 · Potato Lakes
USGS Topo · 1:24,000
1971 · Philipsburg
USGS Topo · 1:24,000