Map of the San Juan Mountains are of southern Colorado. Includes major highways, rivers, towns and peaks. Shaded relief basemap is used to visualize the terrain. Scale - 1:1,200,000 Projection: North America Albers Data Sources: Land Cover, Highways, Shaded Relief, Cities/Towns; Hydrography – The National Map Small Scale Collection; Peaks – USGS GNIS; State Boundaries – Natural Earth data