MapServer Help:  USGS Topographic Map Symbols

Vegetation



Woodlands
Woodlands. An area of normally dry land containing tree cover or brush that is potential tree cover. The growth must be at least 6 feet tall and dense enough to afford cover for troops.
Scrub
Scrub. Area covered with low-growing or stunted perennial vegetation, such as cactus, mesquite or sagebrush, common to arid regions and usually not mixed with trees.
Orchard
Orchard. A planting of evenly spaced trees or tall bushes that bear fruit or nuts. Plantings of citrus and nut trees, commonly called groves, are included in this type.
Vineyard
Vineyard. A planting of grapevines, usually supported and arranged in evenly spaced rows. Other kinds of cultivated climbing plants, such as berry vines and hops, are displayed as vineyards for mapping purposes.
Mangrove
Mangrove. Area of dense, almost impenetrable growth of tropical maritime trees with aerial roots. Mangrove thrives where the movement of tidewater is minimal, in shallow bays and deltas, and along riverbanks.