Keywords
Theme:
Military Installations, Military Bases, Military, Installation, Base, Facility, Military Facilities
Place:
United States, US, USA, Puerto Rico
Stratum:
ground
Temporal:
2007, 2008, 2009
Description
Abstract
The United States Military Installations database contains the boundaries and location information for important military installations in the United States and Puerto Rico. The database includes records for 405 military installations.
Purpose
To provide graphic representation, location and attribute data for analysis, modeling and simulation, and studies. CLOSURE, REALIGN, and BRAC columns are from the office of Economic Adjustment and OSD websites at http://www.oea.gov, https://www.denix.osd.mil.
_________________
Status of the data
Complete
Data update frequency: As needed
Data update frequency: As needed
Time period for which the data is relevant
Date and time:
2009
Description:
publication date
Publication Information
Who created the data: Surface Deployment and Distribution Command Transportation Engineering Agency (SDDCTEA), Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
Date and time:
2009
Publisher and place:
Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS), Washington, DC
_________________
Data storage and access information
File name: milbase
Type of data: vector digital data
http://www.bts.gov/programs/geographic_information_services/
Data processing environment: Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.1.0.722
Type of data: vector digital data
Location of the data:
Accessing the data
Data format: ESRI Shapefile
Size of the data: 1.995 MB
Data transfer size: 1.837 MB
How to decompress the file: No compression applied. However, if using digital transfer online option, note access instructions.
Size of the data: 1.995 MB
Data transfer size: 1.837 MB
How to decompress the file: No compression applied. However, if using digital transfer online option, note access instructions.
Access instructions: The NTAD DVD can be ordered from the online bookstore at www.bts.gov. NTAD can also be downloaded from the Geographic Information Program web sit at http://www.bts.gov/programs/geographic_information_services/.
Available media: DVDConstraints on accessing and using the data
Access constraints:
None.
Use constraints:
None. Acknowledgment of the Surface Deployment and Distribution Command Transportation Engineering Agency (SDDCTEA) and the Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS) National Transportation Atlas Databases 2009 would be appreciated in products derived from these data.
Details about this document
Contents last updated: 20090403
at time 12293500
Who completed this document
Geospatial Information Program
Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
mailing and physical address:
202-366-DATA (voice)
answers@bts.gov
Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
mailing and physical address:
1200 New Jersey Ave., SE
400 7th Street, SW Room 4117
Washington, District of Columbia 20590
USA
202-366-DATA (voice)
answers@bts.gov
Standards used to create this document
Standard name: FGDC Content Standards for Digital Geospatial Metadata
Standard version: FGDC-STD-001-1998
Time convention used in this document: local time
Metadata profiles defining additonal information
ESRI Metadata Profile: http://www.esri.com/metadata/esriprof80.html
Standard version: FGDC-STD-001-1998
Time convention used in this document: local time
Metadata profiles defining additonal information
Horizontal coordinate system
Geographic coordinate system name: GCS_WGS_1984
Details
Geographic Coordinate System
Latitude Resolution: 0.000001
Longitude Resolution: 0.000001
Geographic Coordinate Units: Decimal degrees
Geodetic Model
Horizontal Datum Name: D_WGS_1984
Ellipsoid Name: WGS_1984
Semi-major Axis: 6378137.000000
Denominator of Flattening Ratio: 298.257224
_________________
Bounding coordinates
Horizontal
In decimal degrees
West:
-158.151060
East:
-65.589974
North:
64.877888
South:
18.198778
In projected or local coordinates
Left: -158.151060
Right: -65.589974
Top: 64.877888
Bottom: 18.198778
_________________
Lineage
FGDC lineage
Process step 1
Process description: Military installation boundaries were added from TIGER data and topologically integrated. The dataset was checked for completeness and accuracy in ArcInfo and was converted to polygon shapefile format.
Source used: TIGER
Source produced: MILBASE
Process date: 2000
Source used: TIGER
Source produced: MILBASE
Process date: 2000
Who did this process
Darryl Hampton
Military Traffic Management Command Transportation Engineering Agency (MTMCTEA)
mailing and physical address:
757-599-1171 (voice)
Military Traffic Management Command Transportation Engineering Agency (MTMCTEA)
mailing and physical address:
720 Thimble Shoals Blvd., Suite 130
Newport News, VA 23606
USA
757-599-1171 (voice)
Sources
Source 1:
TIGER/Line Digital Data Files
(TIGER)
Media: CD-ROM
Contribution: Spatial information for installation boundaries.
Contribution: Spatial information for installation boundaries.
Currentness of this source
Date and time:
2009
_________________
Spatial data quality
Horizontal positional accuracy
The Military installation database was compiled from TIGER/Line data having a positional accuracy measure of +/- 80m for the contiguous 48 States plus Washington D.C and Hawaii. TIGER/Line files for Puerto Rico and Alaska were compiled at a scale of 1:125,000.
Estimated accuracy: 1:125,000
_________________
Spatial data description
Vector data information
ESRI description
milbase
ESRI feature type: Simple
Geometry type: Polygon
Topology: FALSE
Feature count: 405
Spatial Index: TRUE
Linear referencing: FALSE
Geometry type: Polygon
Topology: FALSE
Feature count: 405
Spatial Index: TRUE
Linear referencing: FALSE
SDTS description
milbase:
G-polygon, 405
Feature class: SDTS feature type, feature count
Details for milbase
Type of object: Feature Class
Number of records: 405
Description
Military Installations of the United States and Puerto Rico in a GIS format.
Source: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
Source: Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
Attributes
FID
Definition:
Internal feature number.Definition Source:
ESRI
Shape
Definition:
Feature geometry.Definition Source:
ESRI
FAC_NAME
Data type: String
Width: 50
Definition:
Width: 50
Definition:
The name of the military installation.Definition Source:
SDDCTEA
ST_NAME
Data type: String
Width: 25
Definition:
Width: 25
Definition:
The state or U.S. territory in which the military installation is located.Definition Source:
RITA/BTS
ST_ABBR
Data type: String
Width: 3
Definition:
Width: 3
Definition:
The abbreviation for the state or U.S. Territory in which the military facility is located. This is the two-letter official postal abbreviation.Definition Source:
RITA/BTS
FAC_TYPE
Data type: String
Width: 25
Definition:
Width: 25
Definition:
Facility description.Definition Source:
SDDCTEA
CLOSURE
Data type: String
Width: 15
Definition:
Width: 15
Definition:
The closure date of the installation due to a Base Realignment and Closure roundDefinition Source:
SDDCTEA
REALIGN
Data type: String
Width: 10
Definition:
Width: 10
Definition:
The realignment date of the installation due to a Base Realignment and Closure roundDefinition Source:
SDDCTEA
BRAC
Data type: String
Width: 25
Definition:
Width: 25
Definition:
The round of Base Realignment and Closure that affected the installationDefinition Source:
SDDCTEA
BRANCH
Data type: String
Width: 25
Definition:
Width: 25
Definition:
Military organization category.Definition Source:
SDDCTEA
STFIPS
Data type: String
Width: 2
Definition:
Width: 2
Definition:
The state FIPS code for the state or U.S. territory in which the military installation is located.Definition Source:
FIPS Pub 6-4
VERSION
Data type: String
Width: 2
Definition:
Width: 2
Definition:
The VERSION is a 2-digit number that will be incremented for all records in the database whenever a new release is distributed.Definition Source:
RITA/BTS