GIS Library Contents - Metadata NAVD 1988 Elevation Circuit

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		NAVD 1988 Elevation Circuit
File name		navd88
Spatial domain		Tucson Metro Area
Abstract		navd88 displays the vertical benchmark circuit for NAVD88. The elevation values were derived through differential leveling by the City of Tucson.
Known errors/qualifications
Feature type		line
Feature count		801
Thumbnail Map		navd88.pdf    (427,929 bytes, PDF created 07/20/2022 )
Projection		NAD83 HPGN (Parameters)
Rectification		source map
Field/value metadata		Field metadata
Source organization		City of Tucson DOT
Source contact		John Gentry, Steve Smith
Source document or file name		Survey Field Books
Source date		200408
Source scale
Source format		Paper
Second source name		City of Tucson DOT
Second source contact		Genny Martin
Second source document or file name		Street Network
Second source date		20000128
Second source scale
Second source format		Shape
Date of last data update (This date may not be current.)		200408
Last data update by		Steve Smith
Date/time last touched - Meaning?		2021-09-24  12:40 AM - Enterprise GDB - Library input format
		2022-06-06  02:04 AM - Shapefile
		See coverage files, if any, for date.
Lineage
On maintenance?		Yes
Maintenance organization		None at this time
Maintenance frequency		N/A
Maintenance description		COT DOT maintains the data as SDF using a MapGuide application, exports the data as Shapefile and writes it to the library as needed.
Original conversion by		Jack L. Avis, PLS
Pima County ITD GIS contact		Steve Whitney
Alternate Pima County ITD GIS contact
On  Pima County Geospatial Data Portal?		Yes

 GIS Library Data Layer Metadata