71.   Some of their fossilized remains are marked by cuts of the sort made by stone tools used to strip meat away from bone.

72.   Stone tools suggests early human occupation in north China,

73.   The scientists discovered stone tools, animal bones and a mammoth tusk with grooves carved with a sharp stone.

74.   There also were stone tools for butchering carcasses and for making more arrowheads.

75.   However, the digs have found few objects of any value, mainly stone tools and a few pieces of ceramics.

76.   They were found five years ago near an ancient river and were carved presumably with stone tools, the researchers said.