《EARTH FEATURES AND THEIR MEANING AN INTRODUCTION TO GEOLOGY FOR THE STUDENT AND THE GENERAL READER》

1921《EARTH FEATURES AND THEIR MEANING AN INTRODUCTION TO GEOLOGY FOR THE STUDENT AND THE GENERAL READER》由于是年代较久的资料都绝版了,几乎不可能购买到实物。如果大家为了学习确实需要,可向博主求助其电子版PDF文件(由WILLIAM HERBERT HOBBS 1921 THE MACMILLAN COMPANY 出版的版本) 。对合法合规的求助,我会当即受理并将下载地址发送给你。