US Geological Survey Puerto Rico Shaded Relief Topographic Map 1:500,000 Scale Wetlands By: Jerry North

By: Jerry North

National Geographic's Trails Illustrated map of Grand Canyon West covers some of the less frequented but just as wondrous landscape of Grand Canyon National Park

water resources

Enjoy colorful tales about Butch Cassidy

US Geological Survey Puerto Rico Shaded Relief Topographic Map 1:500,000 Scale Wetlands By: Jerry NorthThe U. S. Geological Survey (USGS) 1: 500,000 scale State of Puerto Rico Topographic map covers large areas at one inch, about eight miles. These maps are used for regional and statewide planning and land management. They are less detailed than 1: 24,000 scale maps, the most detailed maps of the United States, but they still show major features like boundaries, state parks, airports, roads, and railroads. They also show footbridges, drawbridges, fence