Published in 1983 from 1982 mapping, the US Geological Survey’s “Trinidad, Colorado” presents a precise and richly layered portrait of southeastern Colorado at 1:100,000 scale. Centered on the historic city of Trinidad in Las Animas County, the map captures a landscape where the Great Plains begin to rise toward the southern Rocky Mountains. Trinidad appears along the Purgatoire River, a strategic corridor of settlement, transport, and industry near the New Mexico border. The surrounding towns—Cokedale, Aguilar, Weston, Branson, Vigil, and Islip—anchor the map in a distinctly regional geography of ranching valleys, coal camps, mountain approaches, and high desert routes. Its date gives it particular value as a record of the area’s infrastructure and land use in the early 1980s.

The USGS style is at once scientific and elegant, using color, contour, and symbol with disciplined clarity. Brown contour lines articulate the rise and fall of the terrain, while blue waterways, black transportation lines, and shaded relief-like visual cues help distinguish rivers, roads, railways, and settlement patterns. The map’s topographic language is especially effective around Trinidad, where lower elevations along the Purgatoire River contrast with increasingly rugged country to the west and southwest. Roads such as U.S. Route 350 and Colorado State Highway 109 are drawn into the land’s natural corridors, revealing how human movement followed drainage basins, passes, and gentler grades. The result is not merely a location map, but a carefully measured image of terrain, access, and habitation.

One of the map’s most compelling features is its depiction of the dramatic mountain country surrounding Trinidad. The Spanish Peaks rise to the northwest as dominant volcanic landmarks, long used as navigational beacons across the southern Colorado plains. The broader Spanish Peaks high country, later associated with protected wilderness, stands in contrast to the lower valleys and mesas nearer Trinidad. Raton Pass, to the south, marks one of the most historically significant crossings between Colorado and New Mexico, a gateway used by Indigenous peoples, traders, railroads, motorists, and migrants. These elevated features give the map a palpable sense of transition: from prairie to foothill, from coal basin to alpine horizon, from Colorado’s open plains toward the rugged Sangre de Cristo realm.

Waterways and reservoirs lend further structure to this landscape. The Purgatoire River threads through Trinidad and its surrounding valley, shaping settlement and agriculture while providing one of the map’s central geographic spines. Trinidad Reservoir, southwest of the city, appears as a modern intervention in an older hydrological setting, reflecting mid-twentieth-century approaches to flood control, recreation, and water management. Tierra Blanca Creek, Bear Creek, the Huerfano River, and numerous smaller lakes and ponds add texture to the map’s blue network, revealing how scarce and precious water is in this semi-arid region. The valleys they form also define routes, property patterns, wildlife areas, parks, and pockets of cultivation, making the map an eloquent record of both natural drainage and human dependence.

Historically, the Trinidad area was shaped by mining, rail transport, borderland movement, and the meeting of plains and mountains. The map’s notation of railways near Trinidad and various mining sites recalls the coal economy that once drew workers to communities such as Cokedale and Aguilar. Trinidad itself, long a commercial and transportation hub, sits near routes connecting Denver, the Arkansas Valley, New Mexico, and the Southwest. Details such as the Trinidad Golf Course, wildlife areas, parks, and rural road networks speak to a region balancing extractive industry, recreation, conservation, and small-town life by the early 1980s. As a USGS document, the map offers more than topographic accuracy; it preserves a moment in the evolving geography of southern Colorado, before later decades of development, reclamation, and environmental change.

Cities, towns and places on this map

• Trinidad
• Cokedale
• Branson
• Aguilar
• Weston
• Islip
• Vigil
• Purgatoire River
• Spanish Peaks
• Trinidad Reservoir
• Raton Pass
• U.S. Route 350
• Colorado State Highway 109
• Las Animas County
• Prefontaine Valley
• Tierra Blanca Creek
• Bear Creek
• Huerfano River
• Spanish Peaks Wilderness Area
• Various mining sites
• Several small lakes and ponds
• Trinidad Golf Course
• Wildlife areas and parks
• Railways near Trinidad

Historical context & cartographic details

• Produced by the United States Geological Survey (USGS), a government agency known for reliable scientific and topographical mapping.
• Historical 1:100,000 topographical map of Trinidad, Colorado, and the surrounding area.
• Dated 1982 with a 1983 imprint.
• Focuses on the city of Trinidad, Colorado, including the surrounding landscape and infrastructure.
• Uses color coding to distinguish landforms and features.
• Fine lines represent roads and boundaries.
• Contour lines and shading provide a three-dimensional representation of the terrain.
• Shows varied elevations, including mountainous and hilly regions near Trinidad.
• Trinidad is shown at a lower elevation along the Purgatoire River.
• Provides insight into the geographical configuration of Trinidad and its surroundings during the early 1980s.
• Serves as a baseline for understanding later changes in land use and urban development.

Looking for a particular place? Review the detailed images to confirm that the town, landmark or feature you have in mind appears on the map. If you are unsure, ask our workshop to check before you order.

Detailed maps are especially rewarding at larger sizes, where names, boundaries and decorative features have more room to be appreciated. Use the close-up preview and size guide to choose the right scale for your wall.

This map looks amazing at sizes all the way up to 50in (125cm). If you are looking for a larger map, please get in touch.

The model in the listing images is holding the 36x20in (90x50cm) version of this map.

Where personalisation is available, you can add a short title or dedication, mark one meaningful place, or request one considered visual detail. See personalised map examples.

Every piece is printed to museum-grade archival standards using fade-resistant pigment inks on acid-free matte paper. Choose an unframed map print, framed map or canvas using the finish options above. Framed maps use crystal-clear optical acrylic and arrive ready to hang.

With its rich detail and strong sense of place, this map makes a considered gift for a new home, anniversary, retirement or anyone with a personal connection to the area shown. Still deciding? Explore our collection of rare old and vintage maps to discover another place, period or style.

This map is also available as a float framed canvas, sometimes known as a shadow gap framed canvas or canvas floater. The map is printed on artist's cotton canvas and then stretched over a handmade box frame. We then "float" the canvas inside a wooden frame, which is available in a range of colours (black, dark brown, oak, antique gold and white). This is a wonderful way to present a map without glazing in front. See some examples of float framed canvas maps and explore the differences between my different finishes.

For something truly unique, this map is also available in "Unique 3D", our trademarked process that dramatically transforms the map so that it has a wonderful sense of depth. We combine the original map with detailed topography and elevation data, so that mountains and the terrain really "pop". For more info and examples of 3D maps, check my Unique 3D page.