TY - RPRT TI - Isopleth maps of titanium, aluminum, and associated elements in stream sediments of West Virginia AU - K. C. Watts AU - M. E. Hinkle AU - W. R. Griffitts PY - 1994 DO - 10.3133/i2364g UR - https://pubs.usgs.gov/publication/i2364G ID - i2364G ER -