The MAGIC Website uses the Library of Congress Classification for mapping and
geo-spatial data, although in a modified form. For FTP users the following
represents the underlying directory structure for all the data sets available.
The naming convention of file names is explained after. The large amounts of
data necessitates this structure.
Geography
G - Geography (General). Atlases. Globes. Maps.
GA- Mathmatical Geography. Cartography.
GB- Physical Geography.
GF- Human Ecology.
GN- Anthropology.
GR- Folklore.
GT- Manners and Customs (General).
GV- Recreation. Leisure.
G - Geography (General). Atlases. Globes. Maps.
3700- United States
3715- Northeast Atlantic States
3720- New England
3780- Connecticut, General.
3781- Connecticut, By Subjects.
3782- Connecticut, By Natural feature.
3783- Connecticut, By Major Political Divisions (Counties, States,
Provinces).
3784- Connecticut, By Cities, Towns, and townships. (A-Z)
3780 Connecticut, General
3781 Connecticut, By Subjects
3782 Connecticut, By Natural Feature (not currently used)
3783 Connecticut, By Major Political Division
F3 - Fairfield County
H3 - Hartford County
L5 - Litchfield County
N3 - New Haven County
N4 - New London County
T6 - Tolland County
W5 - Windham County
3784 Connecticut, By Cities, Towns, and townships. (A-Z)
Subject Codes
A- Special catagory maps. Arial and photomaps.
B- Mathmatical geography
C- Physical Sciences. Hydrography.
D- Biogeography
E- Human and cultural geography. Census data, housing and populations.
F- Political geography. State, County, Town boundaries, etc.
G- Economic geography
H- Mines and mineral resources.
J- Agriculture
K- Forests and forestry
L- Aquatic biological resources
M- Manufacturing
N- Technology. Power and transmission lines.
P- Transportation. Roads, Railroads.
Q- Commerce and trade
R- Military and naval geography
S- Historical geography
Subject Subdivisions
Note: Only the subdivisions currently in use for MAGIC data are shown.
LCCS CODE
What the
Library of Congress means
What it is at MAGIC
1993-
1993 based data sets. (TIGER/LINE 93)
1994-
1994 based data
sets. (TIGER/LINE 94)
A4-
Photomaps.
Orthophotomaps. Pictomaps.
Digital Orthophoto 3.75
minute Quadrangles.
A8-
Special Geographical Names
Land names, Place names, and Waterbody names.
A9-
Special Format
Scanned Maps.
A99-
Unknown /
Unclassified
B3-
Geodetic
surveys.
7.5 minute quadrangle boundaries.
C2-
Physiography. Geomorphology.
Relief features.
Digital Elevation Models. Physical
Features.
C3-
Hydrology.
Hydrogeology. Hydrography.
Hydrography. Waterbodies,
rivers, lakes, streams.
C315-
Drainage Basins.
Drainage Basins.
C5-
Surficial
Materials.
Surficial Materials.
E2-
Population.
Census population statistics (1970, 1980, 1990).
E6-
Social and
Cultural geography. Civilizations.
Landmark features.
Quality of Life indicators.
E68-
Education.
Education statistics.
E73-
Housing.
Shelter.
Census housing statistics (1970, 1980, 1990).
F1-
General Political Geography.
Non-visable features. Fences. Right of Ways.
F7-
Administrative
and political divisions.
State, county, & town
boundaries. Census block, block group, tract, & place boundaries.
Congressional and elections districts.
G1-
General Economic Geography.
Economic conditions.
Government taxes and revenues.
Economic statistics.
G4-
Land. Land Use.
Land capabilities.
Land Use and Land Cover
G45-
Planning.
Planning regions.
G8-
Labor
Labor statistics.
J3-
Soils. Soil classification. Soil
capability and utilization.
Soils and soil features.
N4-
Electric
utilities. Power lines. Service areas.
Power Lines and
underground conduits.
P2-
Roads.
Roads and streets.
P3-
Railroads.
Railraods.
Last modified: Tuesday, 26-Aug-2008 13:11:11 EDT
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