TY - RPRT TI - Surficial geologic map of the Tyonek B-4 Quadrangle, south-central Alaska AU - L. A. Yehle AU - H. R. Schmoll PY - 1994 DO - 10.3133/mf2258 UR - https://pubs.usgs.gov/publication/mf2258 ID - mf2258 ER -