county-wide orthophotos from 1940

Data format: SDE Raster Dataset

File or table name: img_napa_1940

Theme keywords: imageryBaseMapsEarthCover

Abstract: Orthophoto of Napa County in 1940.

FGDC and ESRI Metadata:

Metadata elements shown with blue text are defined in the Federal Geographic Data Committee's (FGDC) Content Standard for Digital Geospatial Metadata (CSDGM). Elements shown with green text are defined in the ESRI Profile of the CSDGM. Elements shown with a green asterisk (*) will be automatically updated by ArcCatalog. ArcCatalog adds hints indicating which FGDC elements are mandatory; these are shown with gray text.

Identification Information:

Citation information:
Originators: unknown

county-wide orthophotos from 1940
*File or table name: img_napa_1940

Publication date: unknown
*Geospatial data presentation form: SDE raster digital data

Online linkage:

Orthophoto of Napa County in 1940.

To photographically represent the land surface of the County of Napa.

*Language of dataset: en

Time period of content:
Time period information:
Single date/time:
Calendar date: 20071231

Currentness reference:
ground condition

Progress: Complete
Maintenance and update frequency: None planned

Spatial domain:
Bounding coordinates:
West bounding coordinate: -122.435871
East bounding coordinate: -122.207477
North bounding coordinate: 38.513923
South bounding coordinate: 38.210972

Local bounding coordinates:
*Left bounding coordinate: 6376468.189695
*Right bounding coordinate: 6502575.952293
*Top bounding coordinate: 1991927.259587
*Bottom bounding coordinate: 1809956.771066

Theme keywords: imageryBaseMapsEarthCover
Theme keyword thesaurus: ISO 19115 Topic Category

Place keywords: Napa County, Napa, California, American Canyon, Yountville, St Helena, Calistoga
Place keyword thesaurus: Geographic Names Information System

Access constraints: None. Data is available from County of Napa by registering at website: This data is made available under the Public Domain Dedication and License version v1.0 whose full text can be found at:
Use constraints:
Disclaimer: This GIS data is intended to provide a visual display of data for the user's convenience. Users of this data are hereby notified that the appropriate public primary information sources should be consulted for verification of the information.  Although every reasonable effort has been made to assure the accuracy of this data, the County of Napa makes no warranty, representation or guaranty as to the content, sequence, accuracy, timeliness or completeness of any of the data provided herein and explicitly disclaims any representations and warranties, including, without limitation, the implied warranties of merchantability and fitness for a particular purpose. The County of Napa assumes no liability for any errors, omissions, or inaccuracies in the information provided regardless of how caused and assumes no liability for any decisions made or actions taken or not taken by the user of the data in reliance upon any information or data furnished hereunder. Because the GIS data provided is not warranted to be up-to-date, the user should check with the County staff for updated information

Point of contact:
Contact information:
Contact person primary:
Contact person: Dennis Henry
Contact organization: County of Napa Public Works Department

Contact address:
Address type: mailing and physical address
1195 Third Street, Room 201
City: Napa
State or province: CA
Postal code: 94559
Country: USA

Contact voice telephone: (707) 253-4351

Contact electronic mail address:

Hours of service: M-F 8:00 am - 5:00 pm

*Native dataset format: SDE Raster Dataset
*Native data set environment:
Microsoft Windows 2000 Version 5.2 (Build 3790) Service Pack 2; ESRI ArcCatalog

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Data Quality Information:

Logical consistency report:
Not applicable.

Process step:
Process description:
Updated metadata and enabled downloads

Process date: 20170508

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Spatial Data Organization Information:

*Direct spatial Rreference method: Raster

Raster object information:
*Image format: SDR
*Number of bands: 1

*Row count: 60820
*Column count: 42149
*Vertical count: 1

*Cell size X direction: 2.991951
*Cell size Y direction: 2.991951

*Bits per pixel: 8
*Pyramid layers: TRUE
*Image colormap: TRUE
*Compression type: LZ77

*Raster object type: Pixel
*Raster display type: pixel codes
*Raster origin: Upper Left

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Spatial Reference Information:

Horizontal coordinate system definition:
Coordinate system name:
Projected coordinate system name: NAD_1983_StatePlane_California_II_FIPS_0402
Geographic coordinate system name: GCS_North_American_1983

Planar coordinate information:
*Planar coordinate encoding method: row and column
Coordinate representation:
*Abscissa resolution: 2.991951
*Ordinate resolution: 2.991951

Geodetic model:
Horizontal datum name: North American Datum of 1983
Ellipsoid name: Geodetic Reference System 80
Semi-major axis: 6378137.000000
Denominator of flattening ratio: 298.257222

Vertical coordinate system definition:
Altitude system definition:
Altitude resolution: 1.000000
Altitude encoding method: Explicit elevation coordinate included with horizontal coordinates

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Entity and Attribute Information:

Detailed description:
*Name: sde_vat_34

Entity type:
*Entity type label: sde_vat_34
*Entity type type: Table
*Entity type count: 256

*Attribute label: OBJECTID
*Attribute alias: OBJECTID
*Attribute definition:
Internal feature number.
*Attribute definition source:

*Attribute type: OID
*Attribute width: 4
*Attribute precision: 10
*Attribute scale: 0

Attribute domain values:
*Unrepresentable domain:
Sequential unique whole numbers that are automatically generated.

*Attribute label: Value
*Attribute alias: Value

*Attribute type: Integer
*Attribute width: 4
*Attribute precision: 10
*Attribute scale: 0

*Attribute label: Red
*Attribute alias: Red

*Attribute type: Double
*Attribute width: 8
*Attribute precision: 38
*Attribute scale: 8

*Attribute label: Green
*Attribute alias: Green

*Attribute type: Double
*Attribute width: 8
*Attribute precision: 38
*Attribute scale: 8

*Attribute label: Blue
*Attribute alias: Blue

*Attribute type: Double
*Attribute width: 8
*Attribute precision: 38
*Attribute scale: 8

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Distribution Information:

Resource description: downloadable data

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Metadata Reference Information:

*Metadata date: 20110322

*Language of metadata: en

Metadata contact:
Contact information:
Contact organization primary:
Contact organization: County of Napa ITS Department
Contact position: GIS Coordinator

Contact address:
Address type: mailing and physical address
650 Imperial Way Suite 201
City: Napa
State or province: CA
Postal code: 94559
Country: USA

Contact voice telephone: (707) 259-8141
Contact facsimile telephone: (707) 253-4824

Contact electronic mail address:

Hours of service: M-F 8:00 am - 5:00 pm

*Metadata standard name: FGDC Content Standards for Digital Geospatial Metadata
*Metadata standard version: FGDC-STD-001-1998
*Metadata time convention: local time

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