Old Maps of Blanca, Colorado for Metal Detecting
Plan your next treasure hunt with 18 historic maps of Blanca. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.
- Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
- Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
- Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.
Use these historic maps to boost your research and find new opportunities beneath the surface of Blanca.
Blanca, CO maps
(18)- 1954 Map of Trinidad, 1963 Print
1954 Trinidad1963 Print · USGSSouthern Colorado is captured here during the mid-fifties, showing the vital rail-and-river connections between the San Luis Valley and the eastern foothills. Researchers can trace the Denver and Rio Grande Western line and locate rural landmarks like Malachite School and San Luis.2 unique versions available - 1955 Map of Trinidad, 1976 Print
1955 Trinidad1976 Print · USGSSouthern Colorado during the mid-fifties is defined by the high-altitude agriculture of the San Luis Valley and the peaks of the Culebra Range. Genealogists can trace early settlements and rural schoolhouses like Medina Plaza, San Luis, and the Trujillo Creek School. - 1958 Map of Trinidad
1958 Trinidad1958 Print · USGSSouthern Colorado in the late fifties was a landscape of high-altitude agriculture and coal production, centered on the San Luis Valley. Local historians can trace old community centers like the Malachite School or follow the mining and rail activity near Walsenburg and the Allen Mine. - 1959 Map of Trinidad
1959 Trinidad1959 Print · USGSThe San Luis Valley and the high Sangre de Cristo peaks are documented here in the late fifties, during a period of steady ranching and rail activity. Genealogy researchers can locate family-named landmarks and rural institutions like Trujillo Creek School and the historic San Luis settlement. - 1965 Map of Blanca, 1968 Print
1965 Blanca1968 Print · USGSThe San Luis Valley landscape comes into focus during the mid-sixties, centered on the railroad town of Blanca. Researchers can trace irrigation patterns and early transport hubs like the Denver and Rio Grande Western rail line and the Blanca Municipal Airport.3 unique versions available - 1967 Map of Fort Garland, 1971 Print
1967 Fort Garland1971 Print · USGSThe San Luis Valley meets the Sangre de Cristo foothills in the late sixties, showing a landscape defined by ranching and rail. Trace historic local heritage through the Old Fort Garland Military Reservation and family sites like MacMullan Cem and Myer Cem.3 unique versions available - 1983 Map of Alamosa
1983 Alamosa1983 Print · USGSThe San Luis Valley was transitioning through the early eighties, with its historic plazas and rail corridors still clearly defined. Genealogists can trace family roots through the settlements of San Luis, Manassa, and San Acacio, or locate the Old Railroad Grade and the Denver and Rio Grande Western tracks.2 unique versions available - 1988 Map of Trinidad
1988 Trinidad1988 Print · USGSSouthern Colorado in the late eighties reveals a landscape of high-altitude farming and mountain rail corridors. Genealogists and historians can trace the foundations of San Luis and Fort Garland or find old stops on the D & R G W RR and A T & S F Ry. - 2010 Map of Blanca, 2010 Print
2010 Blanca2010 Print · USGSBlanca and the surrounding San Luis Valley basin appear here in the early twenty-first century as a landscape defined by irrigation and high-desert agriculture. You can trace the complex water network of Smith Reservoir, the Garland Ditch, and Trinchera Creek. - 2010 Map of Fort Garland, 2010 Print
2010 Fort Garland2010 Print · USGSFort Garland and Blanca are shown here at the turn of the millennium, centered on the complex water systems of the San Luis Valley. Researchers can trace the layout of Mountain Home Reservoir, several local burial grounds like Myer Cemetery, and the path of the Trinchera Canal. - 2013 Map of Fort Garland, 2013 Print
2013 Fort Garland2013 Print · USGSFort Garland and Blanca are captured in the early twenty-first century, showing a landscape shaped by high-desert ranching and complex irrigation. Genealogists and local historians can locate several family-named burial sites like Mac Mullan Cem and Myer Cem or trace the path of the Trinchera Canal. - 2013 Map of Blanca, 2013 Print
2013 Blanca2013 Print · USGSThe high San Luis Valley town of Blanca is shown in this early twenty-first century survey at the base of its namesake peaks. Researchers can trace local water rights and infrastructure through the Garland Ditch and the shoreline of Smith Reservoir. - 2016 Map of Fort Garland, 2016 Print
2016 Fort Garland2016 Print · USGSFort Garland and Blanca stand at the base of the mountains in this mid-2010s survey of Colorado’s high desert. Genealogists can locate family burial sites like Mac Mullan Cem and Myer Cem while tracing the complex paths of the Trinchera Canal and Garland Ditch. - 2016 Map of Blanca, 2016 Print
2016 Blanca2016 Print · USGSCovers Blanca, including Alamosa County, Costilla County, and other nearby areas - 2019 Map of Blanca, 2019 Print
2019 Blanca2019 Print · USGSThe town of Blanca and the surrounding high-desert basin are captured in this modern survey of south-central Colorado. Researchers can trace the complex irrigation system through Smith Reservoir and the Newton Ditch, or locate local landmarks like Blanca Airport. - 2019 Map of Fort Garland, 2019 Print
2019 Fort Garland2019 Print · USGSFort Garland and Blanca are shown in the San Luis Valley during the late twenty-teens, dominated by an intricate system of high-altitude irrigation. Researchers can trace local genealogy at the Fort Garland Cem or Mac Mullan Cem and follow the route of the Feedline Canal. - 2022 Map of Blanca, 2022 Print
2022 Blanca2022 Print · USGSThe high plains of Costilla County are documented here as they appeared in 2022, centered on the settlement of Blanca. Researchers can trace the path of Trinchera Cr and locate specific sites like the Blanca Cem and Blanca Airport. - 2022 Map of Fort Garland, 2022 Print
2022 Fort Garland2022 Print · USGSFort Garland and the San Luis Valley come alive in this detailed look at Costilla County’s irrigation history and early cemeteries. Researchers can trace family sites at Mac Mullan Cem or follow the complex Trinchera Canal system.
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