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  1. 6 days ago · Base Maps and Projections. Topographic and cultural information are essential to a well-constructed geologic map. This section provides some links on major topics, including map projections. Topoview -- Browse the Nation's topo maps [USGS] The National Map -- topo, 3DEP, ... [USGS]

  2. 1 day ago · Some of the worst earthquakes in United States history have been the 1964 Alaska Earthquake, the 1700 Cascadia Earthquake, the 1965 Rat Islands Earthquake, the 1946 Aleutian Islands Earthquake, and the 1957 Adreanof Islands Earthquake, with magnitudes ranging from 8.6 through 9.2. The aftermath of these quakes forever altered the lives of those ...

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  4. 3 days ago · Cumulative and yearly response maps for earthquakes in the U.S. and around the world using an interactive map. Export a map view using the printer icon in top left corner of map. FAQ. Questions and answers about Did You Feel It? (updated May 24, 2022) Scientific Background

  5. 4 days ago · These data were compiled to monitor potential changes in vegetation and soil properties to indicate recovery of reclaimed oil and gas sites with time since reclamation and allow for the comparison of reclaimed well pads with reference sites of similar site characteristics.

  6. Last page Last ». Dive into the world of science! Read these stories and narratives to learn about news items, hot topics, expeditions underway, and much more. Use an RSS reader, browser extension, or software to get updates when new Featured Stories are posted.

  7. 4 days ago · This site gives easy access to summary tables and time series of population, housing, agriculture, and economic data, along with GIS-compatible boundary files, for years from 1790 through the present and for all levels of U.S. census geography, including states, counties, tracts, and blocks.

  8. 5 days ago · Running bi-weekly from April 6 to June 1, 2023 (3 PM ET), this series centers Indigenous voices to explore ethical, legal, and scientific considerations for working within different knowledge systems and provides guidance reflecting best practices. The "Climate Change Science and Management Webinar Series" is a quarterly webinar series hosted ...

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