1900s (20th Century) Maps of Alma, Colorado
Explore 12 historic maps of Alma from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.
Whether you're researching your family's past, planning a metal detecting trip, or studying how Alma's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.
- Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
- See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
- Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
- View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.
Start exploring Alma's history through authentic maps from the 1900s. This is your window into the past.
Alma, CO maps
(12)- 1934 Map of Climax
1934 Climax1934 Print · USGSThe Colorado high country in the mid-1930s reveals a landscape of industrial mining and high-altitude transport. Trace the routes of the Colorado and Southern RR or locate the historic mining district of Quartzville and the London Mine. - 1938 Map of Mt. Lincoln
1938 Mt. Lincoln1938 Print · USGSSummit and Park counties are captured here in the late 1930s, documenting the high-altitude mining landscape of the Tenmile Range. Researchers can trace the early footprints of Alma, the mining sites at Kokomo and London, and historic routes over Mosquito Pass.7 unique versions available - 1942 Map of Leadville, 1943 Print
1942 Leadville1943 Print · USGSHigh in the Rockies during the early war years, this area served as a critical hub for military training and mining operations. Trace the rail lines of the Denver and Rio Grande Western RR and find local landmarks like the U. S. Fish Hatchery or the Adelaide mine. - 1945 Map of Mount Lincoln
1945 Mount Lincoln1945 Print · USGSBreckenridge and the surrounding mining districts were still active industrial hubs when this survey was updated in the mid-1940s. Researchers can trace historic claims and mineral landmarks such as USLM No 16 and the remote high-altitude site of Climax.2 unique versions available - 1957 Map of Leadville, 1978 Print
1957 Leadville1978 Print · USGSHigh-country mining and rail transport define the central Colorado Rockies during the mid-to-late twentieth century. Researchers can trace the industrial footprints of Gilman and Climax, find small rail stops like Malta, and follow the Denver and Rio Grande Western RR.2 unique versions available - 1959 Map of Leadville
1959 Leadville1959 Print · USGSThe Colorado high country in the late fifties is a landscape of mining history and military training, from the streets of Leadville to the Camp Hale grounds. Genealogists and historians can trace the Denver and Rio Grande Western RR alongside now-deserted sites like Ashcroft and Independence. - 1960 Map of Leadville
1960 Leadville1960 Print · USGSThe Colorado high country in the mid-fifties comes alive through its mining camps, river valleys, and rail lines. Trace the industrial legacy of the Climax Molybdenum Mine and explore the alpine reaches of the Camp Hale Military Reservation.2 unique versions available - 1962 Map of Leadville
1962 Leadville1962 Print · USGSThe Colorado high country in the early sixties was a rugged landscape of mining camps, military training grounds, and emerging ski towns. Researchers can trace the legacy of Camp Hale, locate the Molybdenum mine near Leadville, and follow the Denver and Rio Grande Western RR through the canyons. - 1964 Map of Leadville
1964 Leadville1964 Print · USGSColorado's high country is captured here during the mid-1960s, showing the intersection of mining history and mountain transport. Trace the legacy of high-altitude industry at the Climax Molybdenum Mine or follow the rails of the Colorado and Southern Ry past Leadville. - 1970 Map of Alma, 1973 Print
1970 Alma1973 Print · USGSThe Colorado high country around Alma was a hub of hard-rock mining and alpine engineering in the early 1970s. Trace the legacy of the silver and gold era through the Sweet Home Mine, the ruins at Quartzville, and the remote Buckskin Cemetery.4 unique versions available - 1983 Map of Leadville
1983 Leadville1983 Print · USGSThe Colorado high country in the early eighties shows a landscape of world-class peaks and deep-rooted mining industry. Trace the historic tracks of the Denver and Rio Grande Western RR and locate high-altitude operations like the Climax Mine or London Mine.2 unique versions available - 1994 Map of Alma, 1998 Print
1994 Alma1998 Print · USGSThe high peaks of the Tenmile and Mosquito Ranges come alive in the mid-1990s as this map traces the deep mining history of the South Platte headwaters. Researchers can locate active and former operations like the Sweet Home Mine and Magnolia Mill, or find family names at the Park City Cem.
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Showing maps 1-12 of 12
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