Geologic map of the Iditarod D-2 and eastern D-3 quadrangles, Alaska

Geologic map of the Iditarod D-2 and eastern D-3 quadrangles, Alaska, Geologic Report 72, provides 1:63,360-scale geologic mapping of the Beaver Mountains and the...阿拉斯加州艾迪塔罗德D-2及东部D-3四边形图幅（quadrangle）的地质图，收录于《地质报告72》，提供了比例尺为1:63360的比弗山脉及……的地质填图成果。