TY - RPRT TI - Rock-fragment petrography of the Upper Cretaceous Chugach Terrane, southern Alaska AU - Gian G. Zuffa AU - Tor Helge Nilsen AU - Gary R. Winkler PY - 1980 DO - 10.3133/ofr80713 UR - https://pubs.usgs.gov/publication/ofr80713 ID - ofr80713 ER -