GIS Library Contents - MetadataBLM Arizona Imagery Mosaic |
This metadata information is subject to our disclaimer. Metadata information presented here is maintained manually. Therefore, date-sensitive fields such as date of last update may not be up-to-date. All metadata is subject to errors inherent in a manual process.
Descriptive name | BLM Arizona Imagery Mosaic | |
File name | opdoq96b | |
Spatial domain | Arizona | |
Abstract | This is a monochrome 1990-1999 Arizona imagery mosaic from various sources and image types. This imagery is a composite believed to have been made by the BLM. The mosiac's images were taken from various sources including the USGS and from various special projects. Some USGS color infrared imagery was adapted by using only the green band to produce the monochrome image. The mosaic includes over 8,000 DOQQ images. Each source image has between 50 and 300 meters of overedge image beyond the latitude and longitude corner crosses embedded in the image. The overedge has been clipped off and the images have been georeferenced to align with each other in a seamless mosaic grid. Due to variations in the individual photos, the seams are often visible. See more information. | |
Known errors/qualifications | While this layer is a useful state-wide image and represents the best that was available to make a state-wide image at the time it was assembled, one professional's opinion with knowledge of the project calls it "awful stuff", presumably because of the compositing of various types of images and the method used to convert some imagery to monochrome. | |
Feature type | raster | |
Feature count | ||
Thumbnail Map | ||
Projection | NAD83 UTM (Parameters) | |
Rectification | n/a | |
Field/value metadata | Field metadata | |
Source organization | Arizona State Cartographer's Office | |
Source contact | Gene Trobia | |
Source document or file name | ||
Source date | 200211 | |
Source scale | ||
Source format | ECW | |
Second source name | BLM GIS Incident Management Team | |
Second source contact | Dave Wilson dave_t_wilson@blm.gov | |
Second source document or file name | ||
Second source date | ||
Second source scale | ||
Second source format | Unknown | |
Date of last data update (This date may not be current.) | 200211 | |
Last data update by | John Dickinson | |
Date/time last touched - Meaning? | - The Enterprise GDB date was not found. | |
- The Shapefile date was not found. | ||
See coverage files, if any, for date. | ||
Lineage | This layer was was assembled by the BLM GIS Incident Management Team and given to the Arizona State Cartographer's Office. | |
On maintenance? | No | |
Maintenance organization | ||
Maintenance description | ||
Original conversion by | BLM GIS Incident Management Team | |
Pima County ITD GIS contact | John Dickinson | |
Alternate Pima County ITD GIS contact | ||
On Pima County Geospatial Data Portal? | No |