50' Contour Lines - Apache County

U.S. Geological Survey (USGS), EROS Data Center 2004 50' Contour Lines - Apache County vector digital data Phoenix, AZ Arizona State Land Department apache withheld Arizona State Land Department, Arizona Land Resources Information System This dataset consists of a shapefile representing 50 foot contour intervals for Apache County, Arizona. Datasets are also available for 100', 250', and 500' intervals. Each file covers an Arizona county or part of a county and as a collection covers the entire state. The data were created by processing hillshade TIF files derived from the U.S. Geological Survey National Elevation Dataset. The processing produced ESRI formatted coverages for each county or part of a county. The U.S. Geological Survey has developed a National Elevation Dataset (NED). The NED is a seamless mosaic of best-available elevation data. The 7.5-minute elevation data for the conterminous United States are the primary initial source data. In addition to the availability of complete 7.5-minute data, efficient processing methods were developed to filter production artifacts in the existing data, convert to the NAD83 datum, edge-match, and fill slivers of missing data at quadrangle seams. One of the effects of the NED processing steps is a much-improved base of elevation data for calculating slope and hydrologic derivatives. The specifications for the NED 1 arc second and 1/3 arc second data are - Geographic coordinate system, Horizontal datum of NAD83, except for AK which is NAD27, Vertical datum of NAVD88, except for AK which is NAVD29, Z units of meters. This dataset consists of 27 ESRI formatted coverages represnting contour intervals for the state of Arizona. Datasets are available for 50', 100', 250', and 500' intervals. Each file covers an Arizona county or part of a county and as a collection cover the entire state. The data were created by processing hillshade TIF files derived from the U.S. Geological Survey National Elevation Dataset. The processing produced ESRI formatted coverages for each county or part of a county. The U.S. Geological Survey has developed a National Elevation Dataset (NED). The NED is a seamless mosaic of best-available elevation data. The 7.5-minute elevation data for the conterminous United States are the primary initial source data. In addition to the availability of complete 7.5-minute data, efficient processing methods were developed to filter production artifacts in the existing data, convert to the NAD83 datum, edge-match, and fill slivers of missing data at quadrangle seams. One of the effects of the NED processing steps is a much-improved base of elevation data for calculating slope and hydrologic derivatives. The specifications for the NED 1 arc second and 1/3 arc second data are - Geographic coordinate system, Horizontal datum of NAD83, except for AK which is NAD27, Vertical datum of NAVD88, except for AK which is NAVD29, Z units of meters. The Data are created to serve as base information for use in GIS for a variety of planning and analysis purposes. These data do not represent a legal record. Geospatial elevation data are utilized by the scientific and resource management communities for global change research, hydrologic modeling, resource monitoring, mapping, and visualization applications. en The Data are created to serve as base information for use in GIS for a variety of planning and analysis purposes. These data do not represent a legal record. Geospatial elevation data are utilized by the scientific and resource management communities for global change research, hydrologic modeling, resource monitoring, mapping, and visualization applications. REQUIRED: The year (and optionally month, or month and day) for which the data set corresponds to the ground. REQUIRED: The basis on which the time period of content information is determined. Complete None planned -110.042976 -108.967454 37.010881 33.467091 588916.930339 680864.008923 3704765.065826 4096546.335807 GCMD Parameter Keywords EARTH SCIENCE LAND SURFACE TOPOGRAPHY LANDFORMS TERRAIN ELEVATION 1-DEGREE DEM 2-ARC-SECOND DEM 7.5-MINUTE DEM CARTOGRAPHY DEM DIGITAL ELEVATION MODEL DIGITAL MAPPING EDC EROS GEODATA GIS MAPPING RASTER USGS GCMD Location Keywords ARIZONA ESRI ArcCatalog 9.3.1.1850 REQUIRED: Restrictions and legal prerequisites for accessing the data set. REQUIRED: Restrictions and legal prerequisites for using the data set after access is granted. Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 1; ESRI ArcCatalog 9.0.0.535 Shapefile Access is granted to public agencies, educational institutions, non-profit organizations and private individuals for non-commercial purpose. For commercial use of the data see Arizona Revised Statutes 39-121.03 The Arizona State Land Department makes no warranties, implied or expressed, with respect to the accuracy of and the use of this data for any specific purpose. Users are required to make their own assessment of the data for any specific use. Not for use at scales greater than 1:100,000. Arizona State Land Department, Arizona Land Resources Information System GIS Data Transfer Specialist mailing and physical address

1616 West Adams

Phoenix AZ 85007 USA UNKNOWN UNKNOWN UNKNOWN 2004 The 1/3rd Arc Second National Elevation Datasets in ESRI GRID format obtained from USGS were projected from Geographic, decimal degrees, NAD83 to UTM meters, zone 12, NAD83-HARN using the ARC PROJECT GRID routine with the BILINEAR option. The output grids were resampled to a constant cell size of 10m using the ARC LATTICERESAMPLE routine. A clipping polygon was created using the COUNTY boundary. The output grids were clipped with this county polygon boundary using the ARC LATTICECLIP routine. In cases where two or more output grids intersected the clipping polygon, they were merged into a larger grid using the ARC LATTICEMERGE routine. In cases where the resulting size of the output county grid exceeded the software limits, it had to be subdivided into two or more sections. The ARC LATTICECONTOUR routine was run on the output grid to create the contour covers. A contour interval of 15.24 meters with a weed tolerance of 2 meters were chosen to make the 50 foot contours. A contour interval of 30.48 meters with a weed tolerance of 2 meters were chosen to make the 100 foot contours. The item METERS shows the elevation in meters. A second item named FEET was added to show the elevation in feet. The computation was based on the conversion factor FEET = METERS / 0.3048 A third item named INTERVAL was added to mark every 5th contour. The ARC RESELECT routine was used to create the 250 feet contours from the 50 feet contours. The ARC RESELECT routine was used to create the 500 feet contours from the 100 feet contours. The 1/3rd Arc Second National Elevation Datasets in ESRI GRID format obtained from USGS were projected from Geographic, decimal degrees, NAD83 to UTM meters, zone 12, NAD83-HARN using the ARC PROJECT GRID routine with the BILINEAR option. The output grids were resampled to a constant cell size of 10m using the ARC LATTICERESAMPLE routine. A clipping polygon was created using the COUNTY boundary. The output grids were clipped with this county polygon boundary using the ARC LATTICECLIP routine. In cases where two or more output grids intersected the clipping polygon, they were merged into a larger grid using the ARC LATTICEMERGE routine. In cases where the resulting size of the output county grid exceeded the software limits, it had to be subdivided into two or more sections. The ARC LATTICECONTOUR routine was run on the output grid to create the contour covers. A contour interval of 15.24 meters with a weed tolerance of 2 meters were chosen to make the 50 foot contours. A contour interval of 30.48 meters with a weed tolerance of 2 meters were chosen to make the 100 foot contours. The item METERS shows the elevation in meters. A second item named FEET was added to show the elevation in feet. The computation was based on the conversion factor FEET = METERS / 0.3048 A third item named INTERVAL was added to mark every 5th contour. The ARC RESELECT routine was used to create the 250 feet contours from the 50 feet contours. The ARC RESELECT routine was used to create the 500 feet contours from the 100 feet contours. Metadata imported. withheld Metadata imported. withheld 20040920 15332300 GIS Data Transfer Specialist Arizona State Land Department, Arizona Land Resource Information System mailing and physical address

1616 West Adams

Phoenix AZ 85007 United States (602) 542-2606 (602) 542-2600 gisdata@land.az.gov Monday-Friday, 8 AM - 5 PM, Mountain Standard Time National Elevation Dataset (NED) Public agencies can utilize the data for cost of media only and no charge for internet downloads. Commercial entities can obtain a cost waiver for contract work for public agencies. Fees will be assessed for purely commercial use of the data. 97.664 97.664 Users must assume responsibility to determine the usability of this data for their purposes. Although these data have been processed successfully on a computer system at the U.S. Geological Survey, EROS Data Center, no warranty expressed or implied is made by either regarding the utility of the data on any system, nor shall the act of distribution constitute any such warranty. The USGS will warrant the delivery of this product in computer-readable format and will offer appropriate adjustment of credit when the product is determined unreadable by correctly adjusted computer peripherals, or when the physical medium is delivered in damaged condition. Requests for adjustments of credit must be made within 90 days from the date of this shipment from the ordering site. ESRI software or software compatible with ESRI file formats. 20100309 GIS Data Transfer Specialist Arizona State Land Department, Arizona Land Resource Information System mailing and physical address

1616 West Adams

Phoenix AZ 85007 USA (602) 542-2606 (602) 542-2600 gisdata@land.az.gov Monday-Friday, 8 AM - 5 PM, Mountain Standard Time FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998 local time withheld ESRI Metadata Profile en 20220228 16410600 FALSE 20220302 13401200 20220302 13401200 Apache50ft 002 Projected GCS_WGS_1984 WGS_1984_Web_Mercator_Auxiliary_Sphere <ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/2.6.0'><WKT>PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator_Auxiliary_Sphere"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",0.0],PARAMETER["Auxiliary_Sphere_Type",0.0],UNIT["Meter",1.0],AUTHORITY["EPSG",3857]]</WKT><XOrigin>-20037700</XOrigin><YOrigin>-30241100</YOrigin><XYScale>10000</XYScale><ZOrigin>0</ZOrigin><ZScale>1</ZScale><MOrigin>0</MOrigin><MScale>1</MScale><XYTolerance>0.001</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><WKID>102100</WKID><LatestWKID>3857</LatestWKID></ProjectedCoordinateSystem> Linear Unit: Meter (1.000000) 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1.0 Esri ArcGIS 12.6.0.24783 Apache50ft 588916.930339 680864.008923 4096546.335807 3704765.065826 1 -110.042976 -108.967454 37.010881 33.467091 1 002 ISO 19115 Geographic Information - Metadata DIS_ESRI1.0 dataset 002 withheld Local Area Network 97.664 Shapefile Enterprise Geodatabase Feature Class Vector Simple FALSE 0 TRUE FALSE GCS_North_American_1983_HARN NAD_1983_HARN_UTM_Zone_12N coordinate pair meters 0.000000 0.000000 D_North_American_1983_HARN Geodetic Reference System 80 6378137.000000 298.257222 NAD_1983_HARN_UTM_Zone_12N EPSG 8.8(9.3.1.2) 0 Apache50ft Feature Class 0 OBJECTID OBJECTID OID 4 10 0 Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Shape Geometry 8 0 0 Feature geometry. ESRI Coordinates defining the features. LENGTH length Double 8 Length of feature in internal units. ESRI 38 8 METERS meters Double 8 Contour elevation in meters 38 8 FEET feet Integer 4 Contour elevation in feet (Integer Values) 10 0 INTERVAL interval SmallInteger 2 Code to distinguish between the 50/250 feet contour lines 5 0 Shape.STLength() Shape.STLength() Double 0 0 0 20220302