本世纪30年代梁思永先生发掘昂昂溪史前遗址，揭开了松嫩平原史前文化考古发掘与研究的序幕①。50年代与60年代，黑、吉两省文物考古工作者在该地区进行过多次调查，发现了一批古代文化遗存，如肇源白金宝②、望海屯③，肇东七棵树④，富裕小登科⑤，杜尔伯特蒙古族自治县官地 In the thirties of this century, Mr. Liang Siyong excavated the prehistoric sites of the Dawn River and opened the prelude to the prehistoric cultural excavations and researches on the Songnen Plain. In the 1950s and 1960s, the cultural and archaeological workers in the two provinces of Heilongjiang and Kyrgyzstan conducted many investigations in the area and found a number of ancient cultural relics such as Baiyuanbao ② in Zhaoyuan, ③Huangtun ③ and Zhaodong seven trees ④, Rich small Dengke ⑤, Duerbote Mongolian Autonomous County Crown