Paper from Land Use History of North America giving results of a study to estimate the extent of developed land in the United States and the impact of development on soil resources.
Study of the processes by which the conversion occurred of the Palouse bioregion from perennial native grass, shrub, and forest vegetation to agriculture and the interactions between human cultures and environment.
A chapter of the publication: Land Use History of North America on general patterns of plant species diversity in North America that shows how these patterns have changed over time.
Information on USGS studies of Chesapeake Bay, the nation's largest estuary, concerned with water quality, ecosystem history and change, vital habitat and biological resources, and land use studies.
Three mathematical models using information about the geographic distribution and character of land surface characteristics along with proposed modifications or plausible events to determine the likely costs and benefits of actions and events.
Description of Digital Line Graphs (DLG) with explanations of layers and feature types, scales, available products, media, prices, and links to search and order webpages.
Access to products archived at the EROS Data Center, Sioux Falls, SD, including aerial photography, remote sensing data, satellite imagery, maps, and elevation data with product search retrieval and ordering information.
Homepage for Earth Surface Processes Team with research studies in two general categories: climate change and geologic mapping. Links to research activities, available data sets, workshop, and programs.
Query and order satellite images, aerial photographs, and cartographic products through the U.S. Geological Survey. Log in as a guest or as a registered user with more privileges. Uses Java Script or Applet Versions for PC, MacIntosh, and Unix programs.
Satellite images of geographic areas of interest, cities, deserts, glaciers, geologic features, disaster areas, water bodies, and wildlife linked with articles, maps, and other images such as AVHRR, photographs, and special project images.