The ports are politically defined by port limits or Corps projects, excluding non-Corps projects not authorized for publication. The determination for the published Principal Ports is based upon the total tonnage for the port for the particular year; therefore the top 150 list can vary from year to year.
Purpose
The Principal Port file contains USACE port codes, geographic
locations(longitude, latitude), names, and commodity tonnage
summaries (total tons, domestic, foreign, imports and exports)
for Principal USACE Ports.
Supplemental Information
File Format: ASCII Comma Delimited and dBase
Maximum Characters per Record: 96
Media: CD, disk, tape, hardcopy
Temporal Extent
Currentness Reference
publication date
Time Instant
2013
Bounding Box
West
-166.541700
East
0.000000
North
67.719180
South
0.000000
Theme Keyword
Ports,
USACE
Shipping
Major Ports
commerce
economy
Theme Keyword Thesaurus
None
Theme Keyword
economy
inlandWaters
oceans
structure
transportation
Theme Keyword Thesaurus
ISO 19115 Topic Categories
Place Keyword
United States
Place Keyword Thesaurus
Library of Congress Subject Headings
Temporal Keyword
2013
Temporal Keyword Thesaurus
None
Access Restrictions
None
Use Restrictions
None
Spatial Data Organization Information
Direct Spatial Reference Method
Vector
Point and Vector Object Information
SDTS Terms Description
SDTS Point and Vector Object Type
Entity point
Point and Vector Object Count
150
Spatial Reference Information
Horizontal Coordinate System Definition
Geographic
Latitude Resolution
8.983152841195215e-009
Longitude Resolution
8.983152841195215e-009
Geographic Coordinate Units
Decimal Degrees
Geodetic Model
Horizontal Datum Name
D WGS 1984
Ellipsoid Name
WGS 1984
Semi-major Axis
6378137.0
Denominator of Flattening Ratio
298.257223563
Entity and Attribute Information
Entity Type
Entity Type Label
ports_major
Entity Type Definition
150 tops ports
Entity Type Definition Source
USACE
Attributes
FID
sequential number (Sequential unique whole numbers that are automatically generated.)
Definition Source
esri
Shape
type of geospatial feature (Coordinates defining the features.)
Definition Source
esri
PORT
USACE assigned port code identifier.
Definition Source
USACE
LONGITUDE1
Longitude
Definition Source
USACE
LATITUDE1
Latitude
Definition Source
USACE
PORT_NAME
Port name
Definition Source
USACE
TOTAL
Commidity tonnage total.
Definition Source
USACE
DOMESTIC
Commodity tonnage domestic.
Definition Source
USACE
FOREIGN
Commodity tonnage foreign.
Definition Source
USACE
IMPORTS
Commodity tonnge imports to port.
Definition Source
USACE
EXPORTS
Commodity tonnage exports from port.
Definition Source
USACE
STPOSTAL
U.S. Postal Service two letter state abbreviation (Official List of State Postal AbbreviationsU.S. Postal Service)
Definition Source
USPS
STFIPS
State FIPS code (Federal Information Processing Standard (FIPS), Publication 6-4National Institute for Standards and Technology (NIST))
Definition Source
NIST
Distribution Information
Distributor
US Army Corps of Engineers
Name
Distribution Information
Distributor
Research and Innovative Technology Administration/Bureau of Transportation Statistics
Name
Metadata Reference Information
Metadata Date
20140925
Metadata Contact
Contact Information
Contact Organization Primary
Contact Organization
Research Data Services (RDS), Columbia University Libraries
Contact Person
GIS/Metadata Librarian
Contact Address
Address
420 W. 118th St., 215 IAB, MC 3301
City
New York
State or Province
NY
Postal Code
10027
Country
USA
Contact Voice Telephone
(212)854-6012
Contact Electronic Mail Address
data@library.columbia.edu
Metadata Standard Name
FGDC Content Standard for Digital Geospatial Metadata
