4 maps on 1 sheet : color ; 48 x 40 cm, sheet 148 x 94 cm, folded in envelope 30 x 24 cm
OCLC
ocm32950717
Cartographic Data
Scale 1:2,500,000
(W 120°--W 109°/N 42°--N 31°).
Relief shown by contours and spot heights.
Includes text, bibliographical references, 1 table, and 1 index map.
Also available via the Internet from the USGS Web site.
Map A. Map showing isostatic residual gravity anomalies -- Map B. Map showing basin depths from gravity model -- Map C. Map showing geology, topography, and modeled basin depths -- Map D. Map showing basement residual gravity anomalies and topography