This is a polygon coverage of Physiographic Divisions in the Delaware River Basin. It was automated from Fenneman's 1:7,000,000-scale map, "Physical Divisions of the United States," which is based on eight major divisions, 25 provinces, and 86 sections representing distinctive areas having common topography, rock types and structure, and geologic and geomorphic history.
The primary use of this data is for regional and national data display rather than specific local data analysis due to the small scale (1:7,000,000) of this coverage.
Publication date of source material.
The scale of the data (1:7,000,000) limits its use to broad overviews of physiographic divisions.
11 Campus Boulevard, Suite 200
Polygon topology present.
Polygon and chain-node topology present.
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None.
Resolution as reported
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This coverage was automated from Fenneman's 1:7,000,000-scale map, "Physical Divisions of the United States," 1946. Features were digitized from a stable mylar base into the United States boundary coverage. Since the map is in polyconic projection, and the U.S. boundary coverage was in Albers Equal Area Projection, the U.S. boundary coverage was first projected into polyconic projection before digitizing. Once digitizing was complete, the coverage was projected back into Albers Equal Area Projection, with the following parameters: >First parallel 29 30 00 N >Second parallel 45 30 00 N >Central meridian -96 00 00 W >Latitude of projection origin 23 00 00 N >False easting 0.0 >False northing 0.0 Fennemans map is missing three boundaries separating: 1. 5a/5b (which separates the Northern and Southern sections of Blue Ridge) 2. 6a/6b (which separates Tennessee and Middle sections of Ridge and Valley) 3. 24b/24c (which separates Olympic Mountains and Oregon Coast Range of the Pacific Border province) These boundaries were researched, then merged into the coverage.
Added attributes DIVISION, PROVINCE and SECTION to the polygon attribute table.
Cut out the Delaware River Basin from the National Coverage.
11 Campus Boulevard, Suite 200
Internal feature number.
ESRI
Feature geometry.
ESRI
Area of feature in internal units squared.
ESRI
Perimeter of feature in internal units.
ESRI
Internal feature number.
ESRI
User-defined feature number.
ESRI
>DATAFILE NAME: PHYSIO.PAT >9 ITEMS: STARTING IN POSITION 1 >COL ITEM NAME WDTH OPUT TYP N.DEC ALTERNATE NAME > 1 AREA 4 12 F 3 > 5 PERIMETER 4 12 F 3 > 9 PHYSIO# 4 4 B - > 13 PHYSIO-ID 4 5 B - > 17 FCODE 3 5 I - > 20 FENCODE 4 5 C - > 24 DIVISION 23 23 C - > 47 PROVINCE 24 24 C - > 71 SECTION 29 29 C - >100 PROVCODE 3 3 I - FCODE - Numeric code for physiographic section. Values 1-243. FENCODE - Fenneman's code (number+alpha) for physiographic section DIVISION - Name of major physiographic division PROVINCE - Name of physiographic province SECTION - Name of physiographic section (see note below) PROVCODE - Numeric code for physiographic province. Values 1, 3-25. INFO file PHYSIO.PROVCODE contains numeric codes for provinces: >PROVINCE PROVCODE >------------------------ -------- >SUPERIOR UPLAND 1 >COASTAL PLAIN 3 >PIEDMONT 4 >BLUE RIDGE 5 >VALLEY AND RIDGE 6 >ST. LAWRENCE VALLEY 7 >APPALACHIAN PLATEAUS 8 >NEW ENGLAND 9 >ADIRONDACK 10 >INTERIOR LOW PLATEAUS 11 >CENTRAL LOWLAND 12 >GREAT PLAINS 13 >OZARK PLATEAUS 14 >OUACHITA 15 >SOUTHERN ROCKY MOUNTAINS 16 >WYOMING BASIN 17 >MIDDLE ROCKY MOUNTAINS 18 >NORTHERN ROCKY MOUNTAINS 19 >COLUMBIA PLATEAU 20 >COLORADO PLATEAUS 21 >BASIN AND RANGE 22 >CASCADE-SIERRA MOUNTAINS 23 >PACIFIC BORDER 24 >LOWER CALIFORNIAN 25 Because there are no defined physiographic section classifications for the Northern Rockies, Middle Rockies, Southern Rockies, Wyoming Basin, Superior Upland, Lower Californian and Adirondack Provinces, the SECTION field in the polygon attribute table is empty for these physiographic provinces. >DIVISION PROVINCE SECTION >APPALACHIAN HIGHLANDS ADIRONDACK >APPALACHIAN HIGHLANDS APPALACHIAN PLATEAUS ALLEGHENY MOUNTAIN >APPALACHIAN HIGHLANDS APPALACHIAN PLATEAUS CATSKILL >APPALACHIAN HIGHLANDS APPALACHIAN PLATEAUS CUMBERLAND MOUNTAIN >APPALACHIAN HIGHLANDS APPALACHIAN PLATEAUS CUMBERLAND PLATEAU >APPALACHIAN HIGHLANDS APPALACHIAN PLATEAUS KANAWHA >APPALACHIAN HIGHLANDS APPALACHIAN PLATEAUS MOHAWK >APPALACHIAN HIGHLANDS APPALACHIAN PLATEAUS SOUTHERN NEW YORK >APPALACHIAN HIGHLANDS BLUE RIDGE NORTHERN >APPALACHIAN HIGHLANDS BLUE RIDGE SOUTHERN >APPALACHIAN HIGHLANDS NEW ENGLAND GREEN MOUNTAIN >APPALACHIAN HIGHLANDS NEW ENGLAND NEW ENGLAND UPLAND >APPALACHIAN HIGHLANDS NEW ENGLAND SEABOARD LOWLAND >APPALACHIAN HIGHLANDS NEW ENGLAND TACONIC >APPALACHIAN HIGHLANDS NEW ENGLAND WHITE MOUNTAIN >APPALACHIAN HIGHLANDS PIEDMONT PIEDMONT LOWLANDS >APPALACHIAN HIGHLANDS PIEDMONT PIEDMONT UPLAND >APPALACHIAN HIGHLANDS ST. LAWRENCE VALLEY CHAMPLAIN >APPALACHIAN HIGHLANDS VALLEY AND RIDGE HUDSON VALLEY >APPALACHIAN HIGHLANDS VALLEY AND RIDGE MIDDLE >APPALACHIAN HIGHLANDS VALLEY AND RIDGE TENNESSEE >ATLANTIC PLAIN COASTAL PLAIN EAST GULF COASTAL PLAIN >ATLANTIC PLAIN COASTAL PLAIN EMBAYED >ATLANTIC PLAIN COASTAL PLAIN FLORIDIAN >ATLANTIC PLAIN COASTAL PLAIN MISSISSIPPI ALLUVIAL PLAIN >ATLANTIC PLAIN COASTAL PLAIN SEA ISLAND >ATLANTIC PLAIN COASTAL PLAIN WEST GULF COASTAL PLAIN >INTERIOR HIGHLANDS OUACHITA ARKANSAS VALLEY >INTERIOR HIGHLANDS OUACHITA OUACHITA MOUNTAINS >INTERIOR HIGHLANDS OZARK PLATEAUS BOSTON "MOUNTAINS" >INTERIOR HIGHLANDS OZARK PLATEAUS SPRINGFIELD-SALEM PLATEAUS >INTERIOR PLAINS CENTRAL LOWLAND DISSECTED TILL PLAINS >INTERIOR PLAINS CENTRAL LOWLAND EASTERN LAKE >INTERIOR PLAINS CENTRAL LOWLAND OSAGE PLAINS >INTERIOR PLAINS CENTRAL LOWLAND TILL PLAINS >INTERIOR PLAINS CENTRAL LOWLAND WESTERN LAKE >INTERIOR PLAINS CENTRAL LOWLAND WISCONSIN DRIFTLESS >INTERIOR PLAINS GREAT PLAINS BLACK HILLS >INTERIOR PLAINS GREAT PLAINS CENTRAL TEXAS >INTERIOR PLAINS GREAT PLAINS COLORADO PIEDMONT >INTERIOR PLAINS GREAT PLAINS EDWARDS PLATEAU >INTERIOR PLAINS GREAT PLAINS HIGH PLAINS >INTERIOR PLAINS GREAT PLAINS MISSOURI PLATEAU, GLACIATED >INTERIOR PLAINS GREAT PLAINS MISSOURI PLATEAU, UNGLACIATED >INTERIOR PLAINS GREAT PLAINS PECOS VALLEY >INTERIOR PLAINS GREAT PLAINS PLAINS BORDER >INTERIOR PLAINS GREAT PLAINS RATON >INTERIOR PLAINS INTERIOR LOW PLATEAUS HIGHLAND RIM >INTERIOR PLAINS INTERIOR LOW PLATEAUS LEXINGTON PLAIN >INTERIOR PLAINS INTERIOR LOW PLATEAUS NASHVILLE BASIN >INTERMONTTANE PLATEAUS BASIN AND RANGE GREAT BASIN >INTERMONTTANE PLATEAUS BASIN AND RANGE MEXICAN HIGHLAND >INTERMONTTANE PLATEAUS BASIN AND RANGE SACRAMENTO >INTERMONTTANE PLATEAUS BASIN AND RANGE SALTON TROUGH >INTERMONTTANE PLATEAUS BASIN AND RANGE SONORAN DESERT >INTERMONTTANE PLATEAUS COLORADO PLATEAUS CANYON LANDS >INTERMONTTANE PLATEAUS COLORADO PLATEAUS DATIL >INTERMONTTANE PLATEAUS COLORADO PLATEAUS GRAND CANYON >INTERMONTTANE PLATEAUS COLORADO PLATEAUS HIGH PLATEAUS OF UTAH >INTERMONTTANE PLATEAUS COLORADO PLATEAUS NAVAJO >INTERMONTTANE PLATEAUS COLORADO PLATEAUS UINTA BASIN >INTERMONTTANE PLATEAUS COLUMBIA PLATEAU BLUE MOUNTAIN >INTERMONTTANE PLATEAUS COLUMBIA PLATEAU HARNEY >INTERMONTTANE PLATEAUS COLUMBIA PLATEAU PAYETTE >INTERMONTTANE PLATEAUS COLUMBIA PLATEAU SNAKE RIVER PLAIN >INTERMONTTANE PLATEAUS COLUMBIA PLATEAU WALLA WALLA PLATEAU >LAURENTIAN UPLAND SUPERIOR UPLAND >PACIFIC MOUNTAIN SYSTEM CASCADE-SIERRA MOUNTAINS MIDDLE CASCADE MOUNTAINS >PACIFIC MOUNTAIN SYSTEM CASCADE-SIERRA MOUNTAINS NORTHERN CASCADE MOUNTAINS >PACIFIC MOUNTAIN SYSTEM CASCADE-SIERRA MOUNTAINS SIERRA NEVADA >PACIFIC MOUNTAIN SYSTEM LOWER CALIFORNIAN >PACIFIC MOUNTAIN SYSTEM PACIFIC BORDER CALIFORNIA COAST RANGES >PACIFIC MOUNTAIN SYSTEM PACIFIC BORDER CALIFORNIA TROUGH >PACIFIC MOUNTAIN SYSTEM PACIFIC BORDER KLAMATH MOUNTAINS >PACIFIC MOUNTAIN SYSTEM PACIFIC BORDER LOS ANGELES RANGES >PACIFIC MOUNTAIN SYSTEM PACIFIC BORDER OLYMPIC MOUNTAINS >PACIFIC MOUNTAIN SYSTEM PACIFIC BORDER OREGON COAST RANGE >PACIFIC MOUNTAIN SYSTEM PACIFIC BORDER PUGET TROUGH >ROCKY MOUNTAIN SYSTEM MIDDLE ROCKY MOUNTAINS >ROCKY MOUNTAIN SYSTEM NORTHERN ROCKY MOUNTAINS >ROCKY MOUNTAIN SYSTEM SOUTHERN ROCKY MOUNTAINS >ROCKY MOUNTAIN SYSTEM WYOMING BASIN
None.
11 Campus Boulevard, Suite 200
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Although these data have been processed successfully on a computer system at the USDA Forest Service, no warranty expressed or implied is made by the Forest Service regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty.
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