Virginia Division of Mined Land Reclamation     USGS BASE LAYER STANDARDS
LAYER NAME COLOR LINE TYPE LAYER DESCRIPTION
BASE-AIRPORT AIRPORTS OR LANDING STRIPS AND ASSOCIATED TEXT
BASE-BOUND-CITY INCORPORATED CITY OR EQUIVALENT AND ASSOCIATED TEXT
BASE-BOUND-CITY-R INCORPORATED CITY OR EQUIVALENT AND ASSOCIATED TEXT (REVISED)
BASE-BORDER-LEGEND LEGEND SYMBOLS SHOWN ON BORDER
BASE-BORDER-LINE LINES FORMING MAP BORDER AND TICS
BASE-BORDER-T TEXT SHOWN ON MAP BORDER
BASE-BOUND-COUNTY COUNTY BOUNDARIES AND ASSOCIATED TEXT
BASE-BOUND-MAJOR NATIONAL, STATE, AND TERRITORIAL BOUNDARIES AND ASSOCIATED TEXT
BASE-BOUND-PARK-1 PARK, RESERVATION, OR MONUMET AND ASSOCIATED TEXT
BASE-BOUND-PARK-2 SMALL PARKS AND ASSOCIATED TEXT
BASE-BOUND-TOWN CIVEL TOWNSHIP OR EQUIVALENT AND ASSOCIATED TEXT
BASE-BUILDINGS ANYTHING THAT FALLS UNDER USGS CLASSIFICATION OF BUILDINGS AND RELATED FEATURES
BASE-CEM CEMETERY BOUNDARIES AND ASSOCIATED TEXT
BASE-CONT-INDEX INDEX CONTOURS
BASE-CONT-INT INTERMEDIATE CONTOURS
BASE-CONT-T CONTOUR TEXT
BASE-CONTROL ALL HORIZONTAL AND VERTICAL CONTROL POINTS PLACED ON THE USGS MAP AND ASSOCIATED TEXT
BASE-FENCE FENCE LINES
BASE-MINE USGS INDENTIFIED MINE OR CAVE ENTRANCE, QUARRIES, GRAVEL PITS, MINE SHAFTS ETC AND ASSOCIATED TEXT
BASE-RAILROAD ALL RAILROAD SYMBOLS AND ASSOCIATED TEXT
BASE-ROAD-F ENTITIES USED TO SHOW COLOR FILL FOR HIGHWAYS ETC.
BASE-ROAD-HIGH ANY PRIMARY, SECONDARY, OR DUAL HIGHWAY
BASE-ROAD-HIGH-T ASSOCIATED TEXT AND SYMBOLS FOR ROAD-HIGH LAYER
BASE-ROAD-LIGHT LIGHT DUTY ROAD
BASE-ROAD-LIGHT-T ASSOCIATED TEXT AND SYMBOLS FOR ROAD-LIGHT LAYER
BASE-ROAD-UNIMP UNIMPROVED ROAD
BASE-ROAD-UNIMP-T ASSOCIATED TEXT AND SYMBOLS FOR ROAD-UNIMP LAYER
BASE-STREAM-DAM MASONRY OR EARTHEN DAM AND ASSOCIATED TEXT
BASE-STREAM-FILL ENTITIES USED TO SHOW COLOR FILLS FOR WATER BODIES
BASE-STREAM-INT INTERMITTENT STREAMS, RIVERS, OR BODIES OF WATER
BASE-STREAM-INT-T TEXT ASSOCIATED WITH LAYER STREAM-INT
BASE-STREAM-PER PERENNIAL STREAMS, RIVER AND BODIES OF WATER
BASE-STREAM-PER-T TEXT ASSOCIATED WITH LAYER STREAM-PER
BASE-STRIPMINE LAYER SHOWING SURFACE MINING DISTURBANCE, AND ASSOCIATED TEXT MAPPED BY USGS/TVA
BASE-TEXT-GENERAL REMAINING TEXT SHOWN ON MAP THAT IS NOT ASSOCIATED WITH A PARTICULAR LAYER
BASE-TRAIL TRAILS SHOWN ON MAP AND ASSOCIATED TEXT
BASE-UTILITY ALL TRANSMISSION AND PIPE LINES AND ASSOCIATED TEXT
BASE-TOPO-COMPANY CONTOURS GENERATED FROM NON-USGS SOURCES
BASE-TOPO-SURV-COMPANY CONTOURS GENERATED FROM CONVENTIONAL SURVEY
BASE-PLANIM-COMPANY PLANIMETRICS GENERATED FROM NON-USGS SOURCES
For questions or comments
contact:  Douglas Mullins(doug.mullins@dmme.virginia.gov)