land use cover usgs scale generalized minnesota ds survey geological quadrangle figure roseau modified 1990s data pubs gov 2006
survey geological usgs utility sounding nowcast mesonet thunderstorm
land classification cover use system usgs ppt powerpoint presentation data
land map use usa states united national uses usage america 1970 maps atlas 1950 cartography legend they long romney vegetation
usgs geology geologic geoscience publishes
land cover spatial resolution temporal consistency climate esa cci high multi change landcover scales lc concept scale highlighting among projects
land cover manning data hec mannings impervious values classification geometry associating
geological elevations rocky constructed nationalatlas