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"Quarter Quad" Boundaries for Arizona

Layer Thumbnail Map

This metadata information is subject to our disclaimer. Metadata information presented here is maintained manually. Therefore, date-sensitive fields such as feature count and date of last update may not be up-to-date. All metadata is subject to errors inherent in a manual process.


Descriptive name"Quarter Quad" Boundaries for Arizona
File nameazqquads
Spatial domainArizona
AbstractAZQQUADS shows the extents for quarter divisions of UGGS 7.5' quadrangle topographic maps. In other words, this layer serves as an index for DOQQs. Quarter quads are also the spatial units for data delivered by the Arizona Heritage Program.

This layer's attributes include an MDA_Name field that is the image file name for the USGS McDonald Detwhiler and Associates (MDA) 2005-2006 orthophoto images.
Known errors/qualifications
Feature typepolygon
Feature count 7,642
Thumbnail Map azqquads.pdf PDF file format   (743,436 bytes, PDF created 07/19/2022 )
ProjectionNAD83 HPGN (Parameters)
Rectificationunknown
Field/value metadata Field metadata
Source organizationALRIS
Source contactAnthony Maslowicz
Source document or file nameaz_qquads
Source date20070912
Source scale
Source formatShape
Date of last data update
(This date may not be current.)
20070912
Last data update byMike List
Date/time last touched - Meaning? 2021-03-17  11:09 PM - Enterprise GDB
  2021-03-17  11:09 PM - Shapefile - Library input format
  See coverage files, if any, for date.
LineagePC reprojected the source data.
On maintenance?No
Maintenance organization
Maintenance description
Original conversion byMike List
Pima County ITD GIS contactMike List
Alternate Pima County ITD GIS contacte-mail address
On  Pima County Geospatial Data Portal? No

See Metadata Field Descriptions.
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