6 maps on 4 sheets ; 45 x 50 cm. and 23 x 25 cm., sheets 93 x 113 cm
OCLC
ocm08570507
Cartographic Data
Scale 1:250,00 and 1:500,000
(W 132⁰--W 130⁰/N 57⁰--N 56⁰).
Contour interval 200 ft.
Microfiche. [Denver, Colo. : U.S. Geological Survey, 1981?]. 3 microfiche ; 11 x 15 cm.
Microfiche title: Maps showing distribution of lead in geochemical samples from the Bradfield Canal quadrangle, southeastern Alaska.
Includes text, bibliography, ill. and location maps.
Sheet 1. Lead in rock samples (atomic-absorption determinations) -- Sheet 2. Lead in rock samples (spectrographic determinations) -- Sheet 3. Lead in stream-sediment samples (atomic-absorption determinations) -- Sheet 4. Lead in stream-sediment samples (spectrographic determinations)