TY  - RPRT
TI  - Isopleth maps showing above-median concentrations of niobium and boron in stream-sediment concentrate, Glens Falls 1 degree x 2 degrees Quadrangle, New York, Vermont, and New Hampshire
AU  - K. C. Watts
AU  - J. C. Gray
AU  - G.W. Day
AU  - E. P. Welsch
PY  - 1992
DO  - 10.3133/i2161e
UR  - https://pubs.usgs.gov/publication/i2161E
ID  - i2161E
ER  -