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Rasters/Topo_SoCo_USGS_DRG (ImageServer)

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Service Description:

The USGS was entrusted with the responsibility for mapping the country in 1879 and has been the primary civilian mapping agency of the United States ever since. The best known USGS maps are the 1:24,000-scale topographic maps, also known as 7.5-minute quadrangles. From approximately 1947 to 1992, more than 55,000 7.5-minute maps were made to cover the 48 conterminous states. Similar maps at varying scales were produced during the same time period for Alaska, Hawaii, and US Territories. The 7.5-minute series was declared complete in 1992, and at that time was the only uniform map series that covered the United States in considerable detail.

Map revision continued, though in decreasing quantities, through the 1990s. The last printed USGS topographic maps were published in 2006.

In 2009, a new USGS quadrangle topographic map series was defined. Named “US Topo,” these maps are modeled on the 7.5-minute series, but are derived from GIS data. At about the same time, a separate project was started to scan the entire historic library of traditional topographic maps.

Today, USGS topographic quadrangle maps are divided into two product types:

1. US Topo is the current topographic map series. These are modeled on the legacy 7.5-minute maps, but are mass-produced from GIS databases and published as digital documents.

2. The Historical Topographic Map Collection (HTMC)is a set of scanned images of USGS topographic quadrangle maps originally published as paper documents in the period 1884-2006.

Both US Topo and HTMC maps can be downloaded free of charge through several USGS interfaces.

This dataset is best described by item 2.

Name: Rasters/Topo_SoCo_USGS_DRG


Single Fused Map Cache: false

Extent: Initial Extent: Full Extent: Pixel Size X: 1.5264295982898934

Pixel Size Y: 1.5264295982898937

Band Count: 3

Pixel Type: U8

RasterFunction Infos: {"rasterFunctionInfos": [ { "name": "None", "description": "A No-Op Function.", "help": "" }, { "name": "None", "description": "A No-Op Function.", "help": "" } ]}

Mensuration Capabilities:

Has Histograms: true

Has Colormap: false

Has Multi Dimensions : false

Rendering Rule:

Min Scale: 0

Max Scale: 0

Copyright Text: U.S. Geological Survey

Service Data Type: esriImageServiceDataTypeRGB

Min Values: 0, 0, 0

Max Values: 255, 255, 255

Mean Values: 220.46629954582076, 230.01160680294996, 205.19435507432428

Standard Deviation Values: 43.75695137415156, 55.801933633568524, 60.91603092926143

Object ID Field: OBJECTID

Fields: Default Mosaic Method: Seamline

Allowed Mosaic Methods: Seamline,NorthWest,Center,LockRaster,ByAttribute,Nadir,Viewpoint,None


SortValue: null

Mosaic Operator: First

Default Compression Quality: 75

Default Resampling Method: Bilinear

Max Record Count: 1000

Max Image Height: 4100

Max Image Width: 15000

Max Download Image Count: 20

Max Mosaic Image Count: 20

Allow Raster Function: true

Allow Copy: true

Allow Analysis: true

Allow Compute TiePoints: false

Supports Statistics: true

Supports Advanced Queries: true

Use StandardizedQueries: true

Raster Type Infos: Has Raster Attribute Table: false

Edit Fields Info: null

Ownership Based AccessControl For Rasters: null

Child Resources:   Info   Histograms   Statistics   Key Properties   Legend   Raster Function Infos

Supported Operations:   Export Image   Identify   Measure   Compute Histograms   Compute Statistics Histograms   Get Samples   Compute Class Statistics   Query Boundary   Compute Pixel Location   Compute Angles   Validate   Project