Description

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This map layer portrays major dams of the United States, including Puerto Rico and the U.S. Virgin Islands. The map layer was created by extracting dams 50 feet or more in height, or with a normal storage capacity of 5,000 acre-feet or more, or with a maximum storage capacity of 25,000 acre-feet or more, from the 79,777 dams in the U.S. Army Corps of Engineers National Inventory of Dams. This is a replacement for the April 1994 map layer.

Dataset Attributes

  • OBJECTID
    Number
  • DAMS00X020
    Number
    1 to 8121
  • DAM_NAME
    Text
    {"value"=>" ", "count"=>6} (), {"value"=>"BEAR CREEK", "count"=>4} (), {"value"=>"BRADFORD", "count"=>3} (), {"value"=>"BIRCH LAKE", "count"=>3} (), {"value"=>"BEAVER LAKE DAM", "count"=>3} (), {"value"=>"CALERO", "count"=>2} (), {"value"=>"BUICK TAILINGS DAM", "count"=>2} (), {"value"=>"BUENA VISTA", "count"=>2} (), {"value"=>"BUCHANAN DAM", "count"=>2} (), {"value"=>"BRULE", "count"=>2} ()
  • OTHER_NAME
    Text
    {"value"=>"FOLSOM LAKE", "count"=>11} (), {"value"=>"PONY 2014", "count"=>6} (), {"value"=>"HORSETOOTH", "count"=>5} (), {"value"=>"LAKE GRANBY", "count"=>5} (), {"value"=>"CHEROKEE LAKE", "count"=>4} (), {"value"=>"BACON CREEK", "count"=>4} (), {"value"=>"WASHAKIE RES", "count"=>4} (), {"value"=>"BACON 2044", "count"=>4} (), {"value"=>"GLENDO", "count"=>4} (), {"value"=>"SCOOTENEY RES", "count"=>4} ()
  • NIDID
    Text
    {"value"=>"CA01232", "count"=>1} (), {"value"=>"MN00582", "count"=>1} (), {"value"=>"MN00893", "count"=>1} (), {"value"=>"SD01094", "count"=>1} (), {"value"=>"WY01389", "count"=>1} (), {"value"=>"NV10197", "count"=>1} (), {"value"=>"IA03232", "count"=>1} (), {"value"=>"MT00014", "count"=>1} (), {"value"=>"NE01076", "count"=>1} (), {"value"=>"AR00477", "count"=>1} ()
  • LONGITUDE
    Number
    -162.87781 to -66.015
  • LATITUDE
    Number
    18.0173 to 68.0694
  • COUNTY
    Text
    {"value"=>"WASHINGTON", "count"=>168} (), {"value"=>"POLK", "count"=>148} (), {"value"=>"JEFFERSON", "count"=>86} (), {"value"=>"JACKSON", "count"=>82} (), {"value"=>"FRANKLIN", "count"=>76} (), {"value"=>"LOS ANGELES", "count"=>69} (), {"value"=>"LINCOLN", "count"=>63} (), {"value"=>"GRANT", "count"=>60} (), {"value"=>"LAKE", "count"=>51} (), {"value"=>"LARIMER", "count"=>50} ()
  • RIVER
    Text
    {"value"=>"OFFSTREAM", "count"=>48} (), {"value"=>"WISCONSIN", "count"=>21} (), {"value"=>"BEAR CREEK", "count"=>20} (), {"value"=>"WEST BRANCH PENOBSCOT RIVER", "count"=>20} (), {"value"=>"CLEAR CREEK", "count"=>19} (), {"value"=>"BEAR RIVER", "count"=>17} (), {"value"=>"SILVER CREEK", "count"=>12} (), {"value"=>"LOST CREEK", "count"=>11} (), {"value"=>"TR-WHITE CLAY CREEK", "count"=>10} (), {"value"=>"CHIPPEWA", "count"=>10} ()
  • CITY
    Text
    {"value"=>"N", "count"=>24} (), {"value"=>"NO DOWNSTREAM SETTLEMENT", "count"=>20} (), {"value"=>"COLORADO SPRINGS", "count"=>18} (), {"value"=>"MCCONNELSVILLE", "count"=>17} (), {"value"=>"ATCHISON", "count"=>16} (), {"value"=>"BARTLETT", "count"=>11} (), {"value"=>"ARMUCHEE", "count"=>11} (), {"value"=>"KNOXVILLE", "count"=>11} (), {"value"=>"GWINN", "count"=>10} (), {"value"=>"FORT MEADE", "count"=>10} ()
  • OWN_NAME
    Text
    {"value"=>"CELRL", "count"=>41} (), {"value"=>"DSM RESPONSIBLE FOR DATA", "count"=>40} (), {"value"=>"PAC GAS AND ELECTRIC CO", "count"=>35} (), {"value"=>"PACIFICORP", "count"=>24} (), {"value"=>"GEORGIA POWER COMPANY", "count"=>23} (), {"value"=>"CEMVK", "count"=>22} (), {"value"=>"PCS", "count"=>22} (), {"value"=>"DOI FWS", "count"=>22} (), {"value"=>"OHIO POWER COMPANY", "count"=>21} (), {"value"=>"ALLETE, INC", "count"=>20} ()
  • OWN_TYPE
    Text
    {"value"=>"L", "count"=>2316} (), {"value"=>"P", "count"=>2295} (), {"value"=>"F", "count"=>1279} (), {"value"=>"U", "count"=>872} (), {"value"=>"S", "count"=>702} (), {"value"=>" ", "count"=>656} (), {"value"=>"BLANK", "count"=>1} ()
  • DAM_TYPE
    Text
    {"value"=>"RE", "count"=>5095} (), {"value"=>"ER", "count"=>528} (), {"value"=>"PG", "count"=>388} (), {"value"=>" ", "count"=>367} (), {"value"=>"REPG", "count"=>189} (), {"value"=>"CNPG", "count"=>169} (), {"value"=>"OT", "count"=>167} (), {"value"=>"REER", "count"=>145} (), {"value"=>"PGRE", "count"=>124} (), {"value"=>"CN", "count"=>107} ()
  • PURPOSES
    Text
    {"value"=>"C", "count"=>1148} (), {"value"=>"R", "count"=>1088} (), {"value"=>"I", "count"=>794} (), {"value"=>"S", "count"=>664} (), {"value"=>"O", "count"=>498} (), {"value"=>"T", "count"=>444} (), {"value"=>"H", "count"=>298} (), {"value"=>"HR", "count"=>271} (), {"value"=>"CR", "count"=>168} (), {"value"=>"SR", "count"=>138} ()
  • YR_COMPL
    Text
    {"value"=>" ", "count"=>661} (), {"value"=>"1965", "count"=>209} (), {"value"=>"1963", "count"=>202} (), {"value"=>"1967", "count"=>186} (), {"value"=>"1968", "count"=>178} (), {"value"=>"1973", "count"=>177} (), {"value"=>"1969", "count"=>172} (), {"value"=>"1971", "count"=>168} (), {"value"=>"1964", "count"=>166} (), {"value"=>"1962", "count"=>161} ()
  • NID_HEIGHT
    Number
    0 to 770
  • MAX_STOR
    Number
    0 to 9700000000
  • NORMAL_STO
    Number
    0 to 9700000000
  • SURF_AREA
    Number
    0 to 20358400
  • DRAIN_AREA
    Number
    0 to 1250000
  • HAZARD
    Text
    {"value"=>"H", "count"=>4250} (), {"value"=>"L", "count"=>2168} (), {"value"=>"S", "count"=>1696} (), {"value"=>"U", "count"=>7} ()
  • STATE
    Text
    {"value"=>"CA", "count"=>687} (), {"value"=>"TX", "count"=>566} (), {"value"=>"CO", "count"=>384} (), {"value"=>"OK", "count"=>322} (), {"value"=>"PA", "count"=>300} (), {"value"=>"FL", "count"=>296} (), {"value"=>"MO", "count"=>280} (), {"value"=>"NY", "count"=>244} (), {"value"=>"GA", "count"=>221} (), {"value"=>"MN", "count"=>216} ()
  • SYMBOL
    Text
    {"value"=>"C", "count"=>1870} (), {"value"=>"R", "count"=>1336} (), {"value"=>"S", "count"=>1161} (), {"value"=>"I", "count"=>1147} (), {"value"=>"H", "count"=>909} (), {"value"=>"O", "count"=>554} (), {"value"=>"T", "count"=>451} (), {"value"=>"N", "count"=>201} (), {"value"=>"P", "count"=>185} (), {"value"=>" ", "count"=>109} ()
  • Shape
    Number

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