Of 25 fossil assemblages examined, 2 might be examples only of geological contemporaneity of humans and Camelops| 2 might indicate behavioral association of humans and Camelops bones| and 2 might indicate actual human utilization of Camelops
on the process of relief formation in China, was responsible for the classification of Chinese geological history into eras and periods and the identification of the Yan-shan mountain movement and detailed accounts of many tectonic and orgenic morphology in China