| 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) | |||