United States Geological Survey
United States Geological Survey (USGS)
The current motto of the USGS, in use since August 1997, is "science for a changing world".
The agency's previous slogan, adopted on the occasion of its hundredth anniversary, was "Earth Science in the Public Service".
Earthquake animations from 16 May 2010 to 22 May 2010
Earthquakes around the world, from 23 April 2010 to 23 May 2010
Since 2012, the USGS science focus is directed at topical "Mission Areas"
that have continued to evolve iteratively over time. Further organizational structure includes headquarters functions, geographic regions, science and support programs, science centers, labs, and other facilities.
The USGS regional organization
aligns with the U.S. Department of the Interior Unified Interior Regions:
- Region 1: North Atlantic-Appalachian
- Region 2: South Atlantic-Gulf
- Region 3: Great Lakes
- Region 4: Mississippi Basin
- Region 5: Missouri Basin
- Region 6: Arkansas-Rio Grande-Texas-Gulf
- Region 7: Upper Colorado Basin
- Region 8: Lower Colorado Basin
- Region 9: Columbia-Pacific Northwest
- Region 10: California-Great Basin
- Region 11: Alaska
- Region 12: Pacific Islands
Science programs, facilities, and other organizations
USGS operates and organizes within a number of specific science programs, facilities, and other organizational units:
Earthquake Hazards Program
Volcano Early Warning Systems
Center for Coastal Geology
The USGS Center for Coastal Geology is located on the University of South Florida's St. Petersburg
campus with the goal to conduct research in geology, mapping, hydrology, biology, and related sciences; evaluate hazards associated with floods, droughts, hurricanes, subsidence, human activity, and climate change; map onshore and offshore geologic framework; assess mineral resources and develop techniques for their discovery; assess water resources and develop an understanding of the impact of human activities and natural phenomena on hydrologic systems; assess links between biodiversity, habitat condition, ecosystem processes and health; and develop new technologies for collection and interpretation of earth science data.
National Geomagnetism Program
North American Environmental Atlas
The USGS operates the streamgaging
network for the United States, with over 7400 streamgages
. Real-time streamflow data
are available online.
Water Resources Research Institute
As part of the Water Resources Research Act of 1984, the State Water Resources Research Act Program created a Water Resources Research Institute (WRRI) in each state, along with Washington DC, Puerto Rico, the US Virgin Islands, and Guam.
Together, these institutes make up the National Institutes for Water Resources (NIWR). The institutes focus on water-related issues through research, training and collaboration.
Climate Adaptation Science Centers
The National and regional Climate Adaptation Science Centers (CASCs)
is a partnership-driven program that teams scientific researchers with natural and cultural resource managers to help fish, wildlife, waters, and lands across the country adapt to climate change
. The National CASC (NCASC), based at USGS headquarters in Reston, Virginia, serves as the national office for the CASC network, while eight regional CASCs
made up of federal-university consortiums located across the U.S., U.S. Pacific Islands, and U.S. Caribbean deliver science that addresses resource management priorities of the states within their footprints.
National Streamflow Information Program
USGS operates a number of water related programs, notably the National Streamflow Information Program
and National Water-Quality Assessment Program.
USGS Water data is publicly available from their National Water Information System
National Wildlife Health Center
The USGS also operates the National Wildlife Health Center
, whose mission is "to serve the nation and its natural resources by providing sound science and technical support, and to disseminate information to promote science-based decisions affecting wildlife and ecosystem health. The NWHC provides information, technical assistance, research, education, and leadership on national and international wildlife health issues."
It is the agency primarily responsible for surveillance of H5N1 avian influenza
outbreaks in the United States. The USGS also runs 17 biological research centers in the United States, including the Patuxent Wildlife Research Center
The USGS is investigating collaboration with the social networking site Twitter
to allow for more rapid construction of ShakeMaps.
The following are older descriptions of select activities that will be updated or moved to new locations as this page continues to be edited.
1892 15-minute map (or topographic sheet
) of the Mount Marcy
area of the Adirondacks
in New York State from the first decades of the USGS
The USGS produces several national series of topographic maps
which vary in scale
and extent, with some wide gaps in coverage, notably the complete absence of 1:50,000 scale topographic maps or their equivalent. The largest (both in terms of scale and quantity) and best-known topographic series is the 7.5-minute, 1:24,000 scale, quadrangle
, a non-metric scale virtually unique to the United States. Each of these maps covers an area bounded by two lines of latitude
and two lines of longitude
spaced 7.5 minutes
apart. Nearly 57,000 individual maps in this series cover the 48 contiguous states
, U.S. territories
, and areas of Alaska
, and Prudhoe Bay
. The area covered by each map varies with the latitude of its represented location due to convergence of the meridians. At lower latitudes, near 30° north, a 7.5-minute quadrangle contains an area of about 64 square miles (166 km2
). At 49° north latitude, 49 square miles (127 km2
) are contained within a quadrangle of that size. As a unique non-metric map scale, the 1:24,000 scale naturally requires a separate and specialized romer
scale for plotting map positions.
In recent years, budget constraints have forced the USGS to rely on donations of time by civilian volunteers in an attempt to update its 7.5-minute topographic map series, and USGS stated outright in 2000 that the program was to be phased out in favor of The National Map
(not to be confused with the National Atlas of the United States
produced by the Department of the Interior
, one of whose bureaus is USGS).
An older series of maps, the 15-minute series, was once used to map the contiguous 48 states at a scale of 1:62,500 for maps covering the continental United States, but was discontinued during the last quarter of the twentieth century. Each map was bounded by two parallels
and two meridians
spaced 15 minutes apart—the same area covered by four maps in the 7.5-minute series. The 15-minute series, at a scale of 1:63,360 (one inch representing one mile), remains the primary topographic quadrangle for the state of Alaska (and only for that particular state). Nearly 3,000 maps cover 97% of the state.
The United States remains virtually the only developed country in the world without a standardized civilian topographic map series in the standard 1:25,000 or 1:50,000 metric scales, making coordination difficult in border regions (the U.S. military does issue 1:50,000 scale topo maps of the continental United States, though only for use by members of its defense forces).
The next-smallest topographic series, in terms of scale, is the 1:100,000 series. These maps are bounded by two lines of longitude and two lines of latitude. However, in this series, the lines of latitude are spaced 30 minutes apart and the lines of longitude are spaced 60 minutes, which is the source of another name for these maps; the 30 x 60-minute quadrangle series. Each of these quadrangles covers the area contained within 32 maps in the 7.5-minute series. The 1:100,000 scale series is unusual in that it employs the Metric system
primarily. One centimeter on the map represents one kilometer of distance on the ground. Contour intervals
, spot elevations, and horizontal distances are also specified in meters.
The final regular quadrangle series produced by the USGS is the 1:250,000 scale topographic series. Each of these quadrangles in the conterminous United States measures 1 degree of latitude by 2 degrees of longitude. This series was produced by the U.S. Army Map Service
in the 1950s, prior to the maps in the larger-scale series, and consists of 489 sheets, each covering an area ranging from 8,218 square miles (21,285 km2
) at 30° north to 6,222 square miles (16,115 km2
) at 49° north.
Hawaii is mapped at this scale in quadrangles measuring 1° by 1°.
Other specialty maps have been produced by the USGS at a variety of scales. These include county
maps, maps of special interest areas, such as the national parks
, and areas of scientific interest.
A number of Internet sites have made these maps available on the web for affordable commercial and professional use. Because works of the U.S. government are in the public domain
, it is also possible to find many of these maps for free at various locations on the Internet. Georeferenced
map images are available from the USGS as digital raster graphics
(DRGs) in addition to digital data sets based on USGS maps, notably digital line graphs
(DLGs) and digital elevation models
In 2015, the USGS unveiled the topoView website, a new way to view their entire digitized collection of over 178,000 maps from 1884 to 2006. The site is an interactive map of the United States that allows users to search or move around the map to find the USGS collection of maps for a specific area. Users may then view the maps in great detail and download them if desired.
The National Map and U.S. Topo
In 2008 the USGS abandoned traditional methods of surveying, revising, and updating topographic maps based on aerial photography and field checks.
Today's U.S. Topo quadrangle (1:24,000) maps are mass-produced, using automated and semiautomated processes, with cartographic content supplied from the National GIS Database.
In the two years from June 2009 to May 2011, the USGS produced nearly 40,000 maps, more than 80 maps per work day.
Only about two hours of interactive work are spent on each map, mostly on text placement and final inspection; there are essentially no field checks or field inspections to confirm map details.
While much less expensive to compile and produce, the revised digital U.S. topo maps have been criticized for a lack of accuracy and detail in comparison to older generation maps based on aerial photo surveys and field checks.
As the digital databases were not designed for producing general-purpose maps, data integration can be a problem when retrieved from sources with different resolutions and collection dates.
Man-made features once recorded by direct field observation are not in any public domain national database and are frequently omitted from the newest generation digital topo maps, including windmills, mines and mineshafts, water tanks, fence lines, survey marks, parks, recreational trails, buildings, boundaries, pipelines, telephone lines, power transmission lines, and even railroads.
Additionally, the digital map's use of existing software may not properly integrate different feature classes or prioritize and organize text in areas of crowded features, obscuring important geographic details.
As a result, some have noted that the U.S. Topo maps currently fall short of traditional topographic map presentation standards achieved in maps drawn from 1945 to 1992.
USGS Hydrologic Instrumentation Facility
The Hydrologic Instrumentation Facility (HIF) has four sections within its organizational structure;
the Field Services Section which includes the warehouse, repair shop, and Engineering Unit; the Testing Section which includes the Hydraulic Laboratory, testing chambers, and Water Quality Laboratory; the Information Technology Section which includes computer support and the Drafting Unit; and the Administrative Section.
The HIF was given national responsibility for the design, testing, evaluation, repair, calibration, warehousing, and distribution of hydrologic instrumentation. Distribution is accomplished by direct sales and through a rental program. The HIF supports data collection activities through centralized warehouse and laboratory facilities. The HIF warehouse provides hydrologic instruments, equipment, and supplies for USGS as well as Other Federal Agencies (OFA) and USGS Cooperators. The HIF also tests, evaluates, repairs, calibrates, and develops hydrologic equipment and instruments. The HIF Hydraulic Laboratory facilities include a towing tank, jet tank, pipe flow facility, and tilting flume. In addition, the HIF provides training and technical support for the equipment it stocks.
The Engineering Group seeks out new technology and designs for instrumentation that can work more efficiently, be more accurate, and or be produced at a lower cost than existing instrumentation. HIF works directly with vendors
to help them produce products that will meet the mission needs of the USGS. For instrument needs not currently met by a vendor, the Engineering Group designs, tests, and issues contracts to have HIF-designed equipment made. Sometimes HIF will patent a new design in the hope that instrument vendors will buy the rights and mass-produce the instrument at a lower cost to everyone.
USGS researchers publish the results of their science in a variety of ways, including peer-reviewed scientific journals as well as in one of a variety of USGS Report Series
that include preliminary results, maps, data, and final results. A complete catalog of all USGS publications is available from the USGS Publications Warehouse
Prompted by a report from the National Academy of Sciences
, the USGS was created, by a last-minute amendment, to an act of Congress
on March 3, 1879. It was charged with the "classification of the public lands, and examination of the geological structure, mineral resources, and products of the national domain". This task was driven by the need to inventory the vast lands added to the United States by the Louisiana Purchase
in 1803 and the Mexican–American War
The legislation also provided that the Hayden
, and Wheeler
surveys be discontinued as of June 30, 1879.
, the first director of USGS, assembled the new organization from disparate regional survey agencies. After a short tenure, King was succeeded in the director's chair by John Wesley Powell
List of USGS directors
- ^ H.J.Res. 31
- ^ "Dave Applegate, Ph.D." U.S. Geological Survey. Retrieved March 11, 2021.
- ^ "Monterey Aquarium's McNutt new USGS Director". The Seattle Times. Associated Press. October 23, 2009. Retrieved October 25, 2009.
- ^ FY 1997 Annual Financial Report, U.S. Geological Survey.
- ^ "USGS Visual Identity System". United States Geological Survey. July 27, 2006. Archived from the original on January 30, 2009. Retrieved December 29, 2008.
- ^ Suggestions to Authors of the Reports of the United States Geological Survey, U.S. Geological Survey (7th ed. 1991), pp. 247–248.
- ^ "USGS Mission Areas". United States Geological Survey. Retrieved July 30, 2020.
- ^ "USGS.gov | Science for a changing world". www.usgs.gov. Retrieved July 30, 2020.
- ^ "Unified Interior Regional Boundaries". www.doi.gov. February 22, 2018. Retrieved July 30, 2020.
- ^ "USGS Earthquake Hazards Program". Usgs.gov. Retrieved April 30, 2017.
- ^ "ANSS – Advanced National Seismic System". earthquake.usgs.gov.
- ^ "What We Do". www.usgs.gov. Retrieved November 28, 2020.
- ^ "USGS WaterWatch – Streamflow conditions". Waterwatch.usgs.gov. Retrieved April 30, 2017.
- ^ "The United States Geological Survey Water Resources Research Act Program". water.usgs.gov. Retrieved October 18, 2019.
- ^ "NIWR & USGS: A Model Partnership" (PDF). Retrieved October 18, 2019.
- ^ "Climate Adaptation Science Centers". www.usgs.gov/ecosystems/climate-adaptation-science-centers. Retrieved February 4, 2020.
- ^ "Home – SHRIMP-RG Lab". Shrimprg.stanford.edu. Retrieved April 30, 2017.
- ^  Archived July 7, 2008, at the Wayback Machine
- ^ Streamgages, USGS – U.S. Geological Survey Federal Priority. "USGS Federal Priority Streamgages (FPS)". Water.usgs.gov. Retrieved April 30, 2017.
- ^ "USGS National Water-Quality Assessment (NAWQA) Program". Water.usgs.gov. Retrieved April 30, 2017.
- ^ "Water Resources: USGS Water Data Discovery". Water.usgs.gov. Retrieved April 30, 2017.
- ^ "National Wildlife Health Center". Nwhc.usgs.gov. Retrieved December 27, 2007.
- ^ a b c Missouri, USGS Rolla. "USGS – Topographic Maps". Topomaps.usgs.gov. Archived from the original on April 12, 2009. Retrieved April 30, 2017.
- ^ "USGS Maps Booklet". erg.usgs.gov. Retrieved April 30, 2017.
- ^ Moore, Larry (December 2000). "The U.S. Geological Survey's Revision Program for 7.5-Minute Topographic Maps" (PDF). United States Geological Survey.
- ^ "topoView – USGS". USGS Topoview.
- ^ a b c d e f g h i Moore, Larry (May 16, 2011). "US Topo: A New National Map Series". Directions Magazine. Retrieved April 18, 2012.
- ^ USGS. "History of the HIF". United States Geological Survey. Retrieved October 9, 2015.
- ^ "USGS Series definitions- USGS Publications Warehouse". pubs.er.usgs.gov. Retrieved July 30, 2020.
- ^ "Establishment of the U.S. Geological Survey, USGS Circular 1050". United States Geological Survey. Retrieved February 5, 2014.
Last edited on 20 June 2021, at 02:36
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