A wealth of early reports, documents and journals of the U.S. Senate and House of Representatives. Originally published in approximately 13,800 bound volumes, this full-text set includes all subjects/topics that the U.S. government has researched and reported on dealing with international affairs, disasters, social issues, Indian affairs, commerce and communication, explorations, and more. Excellent searching and browsing features.
Detailed large-scale building and land-use maps of 148 Maine towns and cities.
Combined with other sources such as city directories, photographs, small-scale maps, census records, genealogies, and statistical data, the Sanborn maps provide an unparalleled picture of life in American towns and cities. The maps provide a wealth of information, such as building outline, size and shape, windows and doors, street and sidewalk widths, boundaries, and property numbers. Plans often include details on construction materials and building use; and also depict pipelines, railroads, wells, water mains, dumps, and other features likely to affect the property's vulnerability to earthquake, fire, and flood.
View and download map data for the U.S. including boundaries, roads, rivers, and other essentials.
Collaborative effort among the USGS and other Federal, State, and local partners to improve and deliver topographic information for the Nation. It has many uses ranging from recreation to scientific analysis to emergency response. The National Map is easily accessible for display on the Web, as products and services, and as downloadable data. The geographic information available from The National Map includes orthoimagery (aerial photographs), elevation, geographic names, hydrography, boundaries, transportation, structures, and land cover.
Isobioclimates, land surface forms, topographic moisture potential, surficial lithography, structural footprints and labeled ecosystems available most comprehensively for the United States, South America, and Africa.