共 7 条
[1]
BOUTWELL JM, 1912, 77 US GEOL SURV PROF
[2]
BUTLER BS, 1913, 80 US GEOL SURV PROF
[3]
CALLAGHAN E, 1961, GQ155 US GEOL SURV Q
[4]
GILLULY J, 1932, 173 US GEOL SURV PRO
[5]
LINDGREN W, 1919, 107 US GEOL SURV PRO
[6]
MORRIS HT, 1961, 361 US GEOL SURV PRO
[7]
NOLAN TB, 1935, 177 US GEOL SURV PRO