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Elevation Query Web Service Method Documentation
Method Name getElevation
Description Returns a value from a single elevation source for a given latitude/longitude point
Method URL: http://gisdata.usgs.gov/XMLWebServices2/Elevation_Service.asmx?op=getElevation
Input Parameter: X_Value (Required) The longitude for the elevation request as decimal degrees (WGS 1984 Projection)
Input Parameter: Y_Value (Required) The latitude for the elevation request as decimal degrees (WGS 1984 Projection)
Input Parameter: Elevation_Units The units to return the elevation value in.
Valid arguments are:
FEET (default): Value is returned as US Feet
METERS: Value is returned in metric meters
Input Parameter: Source_Layer The source layer to use for the request. The *[Source Layer ID fragment] provides a method of restricting the best available datasets. IE: *NED will only use NED datasets
Valid arguments are:
Data SourceSource_Layer ID
(use this value)		Extent (West,South, East, North)
(default) Find the Best Available data at this point-1-180,-90,180,90
NED 2 arc-second:
Alaska		NED.AK_NED-180.00333333334379,50.996666666667622 to
-129.99666666663225,72.00333333335108
NED 1 arc-second:
Alaska North Slope		NED_AK_1AS-159.0016666667,67.9983656174 to
-149.9984307324,72.0017484139
NED 1 arc-second:
Contiguous United States		NED.CONUS_NED-125,23.9999999973783 to
-65.9983333286253,49.9999999992314
NED 1 arc-second:
Hawaii		NED.HI_NED-161.0016666667,17.9983333327742 to
-153.998333333366,23.0016666659869
NED 1 arc-second:
Puerto Rico		NED.PR_NED-68.0016666666668,16.9983333328051 to
-63.9983333330132,19.0016666662453
NED 1 arc-second:
U.S. Territorial Islands with east longitude		NED.TI_E_NED133.9994444444,4.99944444427556 to
164.000555555645,16.0005555550985
NED 1 arc-second:
U.S. Territorial Islands with west longitude		NED.TI_W_NED-171.000555555605,-15.0005555550877 to
-168.999444444485,-13.999444444001
NED 1/3rd arc-second: Eastern United StatesNED.CONUS_NED_13E-99.00055555556,24.9994444436157 to
-65.9994444443037,49.0005555546217
NED 1/3rd arc-second: Western United StatesNED.CONUS_NED_13W-125.00055555557,25.9994444419356 to
-98.9994444424024,49.000555554697
NED 1/3rd arc-second: Alaska North SlopeNED.AK_NED_13-159.0,68.0 to
-150.0,72.0
NED 1/3rd arc-second: HawaiiNED.HI_NED_13-161.00055555563,17.9994444438804 to
-153.999444444485,23.0005555548894
NED 1/3rd arc-second: U.S. Territorial Islands with east longitudeNED.TI_E_NED_13133.9994444444,4.99944444427556 to
164.000555555645,16.0005555550985
NED 1/3rd arc-second: U.S. Territorial Islands with west longitudeNED.TI_W_NED_13-171.000555555605,-15.0005555550877 to
-168.999444444485,-13.999444444001
NED 1/9th arc-second:
Lamar County, Alabama		Elev_AL_LamarCounty-88.2747,33.5240 to
-87.9463,34.0585
NED 1/9th arc-second:
Alabama-Louisiana-Mississippi Coast		Elev_AL_LA_MS_Coast-94.000191377,28.9998020279 to
-87.4998185067,32.0001975477
NED 1/9th arc-second:
Kenai, Alaska		Elev_AK_Kenai-151.416091,60.489848 to
-150.482042,61.006746
NED 1/9th arc-second:
Valdez, Alaska		Elev_AK_Valdez-146.8134180015,60.9989665178 to
-145.6874919855,61.2505097478
NED 1/9th arc-second:
Lukeville, Arizona		Elev_AZ_Lukeville-114.6555352444,31.834782844 to
-112.6855042226,32.499906354
NED 1/9th arc-second:
Arizona-Mexico Border (Central)		Elev_AZ_MX_Border_Central-114.0115316871,31.2469720034 to
-111.0598647843,32.2911696178
NED 1/9th arc-second:
Arizona-Mexico Border (Eastern)		Elev_AZ_MX_Border_East-111.0841397757,31.2840198153 to
-108.5404358685,31.3478161167
NED 1/9th arc-second:
Arizona-Mexico Border (Western)		Elev_AZ_MX_Border_West-114.8663844738,32.1935198041 to
-113.9861374898,32.7746000975
NED 1/9th arc-second:
Nogales, Arizona (Eastern)		Elev_AZ_NogalesEast-109.8516048344,31.2324015559 to
-108.5528701626,31.4365065105
NED 1/9th arc-second:
Nogales, Arizona (Western)		Elev_AZ_NogalesWest-111.0723646669,31.3284372485 to
-110.0222411261,31.4366779979
NED 1/9th arc-second:
Sasabe, Arizona		Elev_AZ_Sasabe-112.7037916728,31.3196036288 to
-111.0369396876,31.8970419466
NED 1/9th arc-second:
Alameda, California		Elev_CA_Alameda-122.3520,37.4540 to
-121.4637,37.9139
NED 1/9th arc-second:
Canyon Fire, California		Elev_CA_CanyonFire-118.7233877837,34.0256729124 to
-118.6316902455,34.0841914356
NED 1/9th arc-second:
Contra Costa County, California		Elev_CA_ContraCostaCounty-122.4371,37.7212 to
-121.5306,38.1082
NED 1/9th arc-second:
Day Fire, California		Elev_CA_DayFire-118.9962873203,34.4566533531 to
-118.6355465507,34.7160052257
NED 1/9th arc-second:
California-Mexico Border 1		Elev_CA_MX_Border-117.1281781932,32.4549946235 to
-114.7804310918,32.7451489677
NED 1/9th arc-second:
California-Mexico Border 2		Elev_CA_MX_Border_2-117.1454413392,32.5308894372 to
-115.7868918478,32.7567227886
NED 1/9th arc-second:
Poway, California		Elev_CA_Poway-117.0845670198,32.9269844135 to
-116.9400917111,33.0666757715
NED 1/9th arc-second:
Sacramento, California		Elev_CA_Sacramento-121.5729010839,38.3817749922 to
-121.1849072509,38.7400465968
NED 1/9th arc-second:
San Diego, California		Elev_CA_SanDiego-117.2836500385,32.5322214134 to
-116.9051932181,33.118270843
NED 1/9th arc-second:
Santa Clara County, California		Elev_CA_SantaClaraCounty-122.258,36.884 to
-121.196,37.506
NED 1/9th arc-second:
Denver, Colorado		Elev_CO_Denver-105.3217533293,39.5282126507 to
-104.4799940027,40.0156818255
NED 1/9th arc-second:
Sussex County, Delaware		Elev_DE_SussexCounty-75.7226850645,38.4498915766 to
-75.0354936515,38.9617743336
NED 1/9th arc-second:
Charlotte County, Florida		Elev_FL_CharlotteCounty-82.3720,26.7682 to
-81.5592,26.9335
NED 1/9th arc-second:
Escambia County, Florida		Elev_FL_EscambiaCounty-87.6433148502,30.2783906166 to
-86.8293025045,31.0074029623
NED 1/9th arc-second:
Indian River County, Florida		Elev_FL_IndianRiverCounty-80.6173,27.5508 to
-80.3191,27.8678
NED 1/9th arc-second:
Northern Jefferson County, Florida		Elev_FL_JeffersonCountyNorth-84.0947513383,30.2836715352 to
-83.5858006803,30.6937950248
NED 1/9th arc-second:
Lake County, Florida		Elev_FL_LakeCounty-81.9641403287,28.3331248177 to
-81.3476279335,29.2836495851
NED 1/9th arc-second:
Lake Okeechobee, Florida		Elev_FL_LakeOkeechobee-81.3261,26.3134 to
-80.1300,27.2639
NED 1/9th arc-second:
Lee County, Florida		Elev_FL_LeeCounty-82.2792,26.6719 to
-81.8471,26.8510
NED 1/9th arc-second:
Leon County, Florida		Elev_FL_LeonCounty-84.7157,30.2736 to
-83.9779,30.6855
NED 1/9th arc-second:
Northwest Florida Water Management District		Elev_FL_NWFWMD-86.043194143,30.0296175491 to
-84.3039656089,31.006592936
NED 1/9th arc-second:
Okaloosa County, Florida		Elev_FL_OkaloosaCounty-87.0001851852,29.999814814 to
-85.9998148148,31.5001851844
NED 1/9th arc-second:
Palm Beach County, Florida		Elev_FL_PalmBeachCounty-80.2404,26.3389 to
-80.0309,26.9725
NED 1/9th arc-second:
Santa Rosa County, Florida		Elev_FL_SantaRosaCounty-87.3239216684,30.3422696426 to
-86.7758969332,31.0084733996
NED 1/9th arc-second:
Sarasota County, Florida		Elev_FL_SarasotaCounty-82.6509,26.9319 to
-82.0649,27.4010
NED 1/9th arc-second:
Southwest Florida Water Management District		Elev_FL_SWFWMD-82.657791913,27.5100044198 to
-81.5081621915,28.6389242631
NED 1/9th arc-second:
Volusia County, Florida		Elev_FL_VolusiaCounty-81.5738731554,28.6115898068 to
-80.7269904393,29.4281638809
NED 1/9th arc-second:
Walton County, Florida		Elev_FL_WaltonCounty-86.4075220361,30.2623789634 to
-85.8230775449,31.002749393
NED 1/9th arc-second:
Dade and Walker Counties, Georgia		Elev_GA_DadeWalkerCounties-85.6052,34.5872 to
-85.0504,34.9852
NED 1/9th arc-second:
Potato Creek, Georgia		Elev_GA_PotatoCreek-84.453536,32.782067 to
-84.160755,33.250355
NED 1/9th arc-second:
Coeur d Alene River, Idaho		Elev_ID_CoeurDAleneRiver-117.0938,47.0311 to
-115.8957,47.6778
NED 1/9th arc-second:
Miscellaneous Areas in Idaho		Elev_ID_MiscAreas-116.8176830356,42.5832927936 to
-111.3889171692,47.5700215876
NED 1/9th arc-second:
Boone County, Illinois		Elev_IL_BooneCounty-88.9430893038,42.1523596559 to
-88.704385581,42.4960325229
NED 1/9th arc-second:
Jo Daviess and Stephenson Counties, Illinois		Elev_IL_JoDaviessStephensonCounties-90.6584,42.1905 to
-89.3912,42.5091
NED 1/9th arc-second:
Kane County, Illinois		Elev_IL_KaneCounty-88.6040,41.7195 to
-88.2377,42.1544
NED 1/9th arc-second:
McHenry County, Illinois		Elev_IL_McHenryCounty-88.7077,42.1530 to
-88.1971,42.4921
NED 1/9th arc-second:
Winnebago County, Illinois		Elev_IL_WinnebagoCounty-89.4056871447,42.1481140585 to
-88.9331871067,42.5004597657
NED 1/9th arc-second:
Fort Riley, Kansas		Elev_KS_FortRiley-96.9803755376,39.0257218869 to
-96.6646965,39.3163391941
NED 1/9th arc-second:
Johnson County, Kansas		Elev_KS_JohnsonCounty-95.0663453598,38.7039869561 to
-94.5999255694,39.0649746394
NED 1/9th arc-second:
Kansas River, Kansas		Elev_KS_KansasRiver-96.906533698,38.7302997656 to
-94.588323636,39.4232319198
NED 1/9th arc-second:
Southern Leavenworth County, Kansas		Elev_KS_LeavenworthCountySouth-95.194363,38.947068 to
-94.904803,39.027022
NED 1/9th arc-second:
Sedgwick County, Kansas		Elev_KS_SedgwickCounty-97.808371,37.474182 to
-97.098448,37.912610
NED 1/9th arc-second:
Kenton and Campbell Counties, Kentucky		Elev_KY_KentonCampbellCounties-84.6225,38.7867 to
-84.2322,39.1268
NED 1/9th arc-second:
Louisiana		Elev_LA_State-94.0735949731,29.0383552307 to
-89.0942735871,33.0670592567
NED 1/9th arc-second:
Augusta, Maine		Elev_ME_Augusta-69.9273792204,44.2540251667 to
-69.6084594418,44.4035004873
NED 1/9th arc-second:
Southwest Coastline, Maine		Elev_ME_SouthwestCoastline-70.8427542352,43.0529783193 to
-69.8419825498,43.9800462947
NED 1/9th arc-second:
Baltimore, Maryland		Elev_MD_Baltimore-76.714041108,39.1957071463 to
-76.5265102288,39.3727133333
NED 1/9th arc-second:
Baltimore County, Maryland		Elev_MD_BaltimoreCounty-76.321039748,39.1939846161 to
-76.321039748,39.7223488559
NED 1/9th arc-second:
Central and Eastern Maryland		Elev_MD_CentralAndEast-77.2935053066,37.9096236032 to
-75.0254569502,39.7289505766
NED 1/9th arc-second:
Eastern Areas in Maryland		Elev_MD_EasternAreas-76.277731,38.729729 to
-75.699333,39.372299
NED 1/9th arc-second:
Harford County, Maryland		Elev_MD_HarfordCounty-76.5751,39.3942 to
-76.0752,39.7328
NED 1/9th arc-second:
Juarez, Mexico		Elev_MX_Juarez-106.638783361,31.4748564422 to
-106.215635179,31.7840231336
NED 1/9th arc-second:
Oakland County, Michigan		Elev_MI_OaklandCounty-83.6898,42.4308 to
-83.0829,42.8889
NED 1/9th arc-second:
Minnesota-North Dakota Border		Elev_MN_ND_Border-97.73661,46.35916 to
-96.08243,49.05173
NED 1/9th arc-second:
Pine County, Minnesota		Elev_MN_PineCounty-93.1432,45.7299 to
-92.2928,46.4194
NED 1/9th arc-second:
Red River, Minnesota		Elev_MN_RedRiver-97.24629,46.32519 to
-95.21825,49.00004
NED 1/9th arc-second:
Southeast Minnesota		Elev_MN_SoutheastCounties-93.6565,43.4950 to
-91.1935,44.4690
NED 1/9th arc-second:
Carroll, Chariton, Lafayette, and Saline Counties, Missouri		Elev_MO_CarrollCharitonLafayetteSalineCounties-94.118688,38.906512 to
-92.687331,39.708472
NED 1/9th arc-second:
Cass County, Missouri		Elev_MO_CassCounty-94.6155159863,38.4442430463 to
-94.0632319915,38.8487183873
NED 1/9th arc-second:
Clay and Platte Counties, Missouri		Elev_MO_ClayPlatteCounties-95.1029,39.1100 to
-94.1921,39.5352
NED 1/9th arc-second:
Jackson County, Missouri		Elev_MO_JacksonCounty-94.6167342191,38.8273278146 to
-94.0991724493,39.238037724
NED 1/9th arc-second:
Scott County, Missouri		Elev_MO_ScottCounty-89.7045,37.1537 to
-89.4356,37.2567
NED 1/9th arc-second:
Taney County, Missouri		Elev_MO_TaneyCounty-93.3203,36.4937 to
-92.7600,36.8208
NED 1/9th arc-second:
Warren County, Missouri		Elev_MO_WarrenCounty-91.4377,38.4999 to
-90.9372,39.0003
NED 1/9th arc-second:
Mississippi-Missouri-Illinois Rivers		Elev_MS_MO_IL_Rivers-97.5001851852,35.9998148139 to
-87.9998148148,45.0001851843
NED 1/9th arc-second:
Lincoln, Nebraska		Elev_NE_Lincoln-96.8869299992,40.6174976028 to
-96.4858805844,41.0075593624
NED 1/9th arc-second:
Camden, New Jersey		Elev_NJ_Camden-75.1498162299,39.5334499036 to
-74.3830260451,40.1922771168
NED 1/9th arc-second:
Gloucester County, New Jersey		Elev_NJ_GloucesterCounty-75.42794,39.51212 to
-74.87669,39.88451
NED 1/9th arc-second:
Mercer County, New Jersey		Elev_NJ_MercerCounty-74.9562,40.1262 to
-74.4717,40.4256
NED 1/9th arc-second:
Northeastern New Jersey		Elev_NJ_Northeast-74.6251068115,40.2494316092 to
-73.9012179226,41.2049871647
NED 1/9th arc-second:
Southern New Jersey		Elev_NJ_South-75.5729,38.9266 to
-74.5475,39.7908
NED 1/9th arc-second:
North Carolina		Elev_NC_State-84.3160108891,33.8406637681 to
-75.4613195399,36.5828859876
NED 1/9th arc-second:
Barnes and Cass Counties, North Dakota		Elev_ND_BarnesCassCounties-98.6568,46.4906 to
-97.2550,47.2771
NED 1/9th arc-second:
Southeastern North Dakota		Elev_ND_Southeast-98.086231,45.590884 to
-96.711607,46.499336
NED 1/9th arc-second:
Sheyenne River, North Dakota		Elev_ND_SheyenneRiver-100.6027,47.3925 to
-98.8112,48.2853
NED 1/9th arc-second:
Walsh County, North Dakota		Elev_ND_WalshCounty-98.32075,48.01237 to
-97.54317,48.55670
NED 1/9th arc-second:
Central Ohio		Elev_OH_Central-84.8224,39.5507 to
-81.6333,41.2526
NED 1/9th arc-second:
Northern Ohio		Elev_OH_North-84.8263,40.1462 to
-80.4967,41.9972
NED 1/9th arc-second:
Sallisaw, Oklahoma		Elev_OK_Sallisaw-94.9524321681,35.4222253303 to
-94.6159506596,35.8121944973
NED 1/9th arc-second:
Deschutes River, Oregon		Elev_OR_DeschutesRiver-122.03093,43.46196 to
-120.63080,45.63592
NED 1/9th arc-second:
Lower Columbia River, Oregon		Elev_OR_LowerColumbiaRiver-124.0944,45.4020 to
-121.9206,46.4749
NED 1/9th arc-second:
Portland, Oregon		Elev_OR_Portland-124.0001,44.8749 to
-121.4999,46.0001
NED 1/9th arc-second:
South Fork John Day River, Oregon		Elev_OR_SouthForkJohnDayRiver-119.6581786709,44.166313266 to
-119.3624070423,44.4829182296
NED 1/9th arc-second:
Eastern Pennsylvania		Elev_PA_East-76.8317,40.1137 to
-75.4109,41.6659
NED 1/9th arc-second:
Northwest Pennsylvania		Elev_PA_Northwest-80.5752,39.8518 to
-76.4346,42.2889
NED 1/9th arc-second:
Southwest Pennsylvania		Elev_PA_Southwest-81.0003,39.4997 to
-78.4997,41.5003
NED 1/9th arc-second:
Northern South Carolina		Elev_SC_North-82.33146,33.17728 to
-79.06691,35.18652
NED 1/9th arc-second:
Lincoln and Minnehaha Counties, South Dakota		Elev_SD_MinnehahaLincolnCounties-97.12955,43.06334 to
-96.43056,43.84949
NED 1/9th arc-second:
Missouri River, South Dakota		Elev_SD_MissouriRiver-100.3691158618,43.0383073468 to
-98.508283616,44.3582139831
NED 1/9th arc-second:
Aransas and Refugio Counties, Texas		Elev_TX_AransasRefugioCounties-97.5387651332,27.812484512 to
-96.7888885296,28.5625154362
NED 1/9th arc-second:
Brazoria County, Texas		Elev_TX_BrazoriaCounty-95.8750154671,28.8208796004 to
-95.0469598453,29.6034413915
NED 1/9th arc-second:
Cameron County, Texas		Elev_TX_CameronCounty-97.87019,25.82873 to
-97.13626,26.49997
NED 1/9th arc-second:
Chambers County, Texas		Elev_TX_ChambersCounty-94.9870112096,29.499984541 to
-94.3509309119,29.9062500056
NED 1/9th arc-second:
Galveston County, Texas		Elev_TX_GalvestonCounty-95.2344311171,29.0833796215 to
-94.3687211714,29.5998920085
NED 1/9th arc-second:
Houston, Texas		Elev_TX_Houston-96.0002,29.4357 to
-94.8100,30.5001
NED 1/9th arc-second:
Jackson, Matagorda, and Victoria Counties, Texas		Elev_TX_JacksonMatagordaVictoriaCounties-97.305602,28.386358 to
-95.499985,29.267993
NED 1/9th arc-second:
Jefferson County, Texas		Elev_TX_JeffersonCounty-94.4687651517,29.5604783389 to
-93.8332712737,30.2187499965
NED 1/9th arc-second:
Kenedy and Kleberg Counties, Texas		Elev_TX_KenedyKlebergCounties-98.0660093933,26.5914571214 to
-97.2179229061,27.6446670821
NED 1/9th arc-second:
Texas-Mexico Border North		Elev_TX_MX_Border1-100.9326407313,28.7334591071 to
-100.4727024229,29.3395085383
NED 1/9th arc-second:
Texas-Mexico Border South		Elev_TX_MX_Border2-100.5435282004,27.5622726489 to
-99.5476021948,28.6968406409
NED 1/9th arc-second:
Orange County, Texas		Elev_TX_OrangeCounty-94.125015,29.966451 to
-93.687482,30.250015
NED 1/9th arc-second:
San Patricio County, Texas		Elev_TX_SanPatricioCounty-97.910509,27.812485 to
-97.132423,28.187546
NED 1/9th arc-second:
Iron County, Utah		Elev_UT_IronCounty-113.201567,37.621018 to
-112.802064,37.882704
NED 1/9th arc-second:
Salt Lake City, Utah		Elev_UT_SaltLakeCity-112.0272069,40.5705428599 to
-111.8231328096,40.9043700471
NED 1/9th arc-second:
Wasatch County, Utah		Elev_UT_WasatchCounty-111.507655,40.333920 to
-111.282213,40.616041
NED 1/9th arc-second:
Chittenden County, Vermont		Elev_VT_ChittendenCounty-73.3102052565,44.2623421303 to
-72.8075508953,44.7301199455
NED 1/9th arc-second:
Essex County, Vermont		Elev_VT_EssexCounty-72.0130308669,44.338706957 to
-71.4090493374,45.0423181244
NED 1/9th arc-second:
Franklin County, Vermont		Elev_VT_FranklinCounty-73.2898,44.7339 to
-72.9104,45.0178
NED 1/9th arc-second:
Lake Roosevelt, Washington		Elev_WA_LakeRoosevelt-118.2336339447,48.47905669 to
-117.7202079777,48.9570814196
NED 1/9th arc-second:
Mount Rainier, Washington		Elev_WA_MtRainier-121.9296,46.7064 to
-121.4426,47.0046
NED 1/9th arc-second:
Mount Saint Helens, Washington		Elev_WA_MtStHelens-123.0129938272,46.1249999991 to
-121.9870061729,46.3999999991
NED 1/9th arc-second:
Northwest Washington		Elev_WA_Northwest-122.8239294251,48.2923610327 to
-121.0368613801,49.0107561519
NED 1/9th arc-second:
Puget Sound, Washington		Elev_WA_PugetSound-125.01,46.4899999991 to
-121.49,48.5099999991
NED 1/9th arc-second:
Spokane, Washington		Elev_WA_Spokane-117.6658,47.5172 to
-117.0275,47.8538
NED 1/9th arc-second:
Charleston, West Virginia		Elev_WV_Charleston-81.7621,38.2586 to
-81.4816,38.4681
NED 1/9th arc-second:
West Virginia		Elev_WV_State-83.00018,36.99980 to
-77.49981,41.00018
NED 1/9th arc-second:
Dodge County, Wisconsin		Elev_WI_DodgeCounty-89.0199,43.1891 to
-88.3900,43.6390
NED 1/9th arc-second:
LaCrosse County, Wisconsin		Elev_WI_LaCrosseCounty-91.4251,43.7249 to
-90.9098,44.0881
NED 1/9th arc-second:
Madison, Wisconsin		Elev_WI_Madison-89.5902,42.9961 to
-89.2387,43.1854
NED 1/9th arc-second:
Milwaukee County, Wisconsin		Elev_WI_MilwaukeeCounty-88.0708,42.8418 to
-87.8236,43.1929
NED 1/9th arc-second:
Snake River, Wyoming		Elev_WY_SnakeRiver-110.77216,43.62502 to
-110.46733,43.87395
Best Available Subset*[Source Layer ID fragment]Varies
Output Results string: XML Record Set containing records as shown below for the source layer
<Data_Source>[Source Layer]</Data_Source><Data_ID>[Source Layer ID]</Data_ID><Elevation>[Decimal Elevation Value]</Elevation><Units>[FEET or METERS]</Units>
[Decimal Elevation Value] = -1.79769313486231E+308 means no valid values were found at that point.


Method Name getAllElevations
Description Returns values from all elevation sources for a given latitude/longitude point
Method URL: http://gisdata.usgs.gov/XMLWebServices2/Elevation_Service.asmx?op=getAllElevations
Input Parameter: X_Value (Required) The longitude for the elevation request as decimal degrees (WGS 1984 Projection)
Input Parameter: Y_Value (Required) The latitude for the elevation request as decimal degrees (WGS 1984 Projection)
Input Parameter: Elevation_Units The units to return the elevation value in.
Valid arguments are:
FEET (default): Value is returned as US Feet
METERS: Value is returned in metric meters
Output Results string: XML Record Set containing records as shown below for each source layer
<Data_Source>[Source Layer]</Data_Source><Data_ID>[Source Layer ID]</Data_ID><Elevation>[Decimal Elevation Value]</Elevation><Units>[FEET or METERS]</Units>
[Decimal Elevation Value] = -1.79769313486231E+308 means no valid values were found at that point.

See Also:
Elevation Query Web Service Overview

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Page Last Modified: January 26, 2012