TY - BOOK AU - Nelson, Willis H. AU - Csejtey, Béla, CN - QE75 CN - QE75 CY - Washington : CY - Denver, CO : DA - 1990. ID - 229626 KW - Geology, Stratigraphic KW - Geology KW - Geology, Structural KW - Chert KW - Limestone PB - U.S. G.P.O. ; PB - For sale by the Books and Open-file Reports Section, U.S. Geological Survey, PP - Washington : PP - Denver, CO : PY - 1990. T1 - Stratigraphy and structure of the Ekokpuk Creek area, north-central Brooks Range, Alaska / TI - Stratigraphy and structure of the Ekokpuk Creek area, north-central Brooks Range, Alaska / VL - 1848 ER -