2007年吉林大学边疆考古研究中心对吉林省西北部的通榆县进行田野考古调查,对通榆县新发乡破坨子遗址、李永久坨子遗址和二龙坨子遗址三处地点采集的陶片和石器进行了整理和初步研究,发现三处遗址主体年代为新石器时代,文化面貌复杂多样,包含了左家山二期文化、红山文化、哈民忙哈文化在内的多种文化遗存,另有少量鲜卑文化和契丹文化遗存。 In 2007, the Frontier Archeology Research Center of Jilin University carried out field archeological surveys of Tongyu County in the northwestern part of Jilin Province, and collected the pottery collected from the sites of Ruituozi Site, Li Yongjiuituozi Site and Erlongtaozi Site in Xinfa Township, Tongyu County, Stoneware were collated and preliminary study found that the three sites of the main Neolithic age, complex and diverse cultural landscape, including the second phase of the culture of the mountains, Hongshan culture, HAN busy HAN culture, including a variety of cultural relics, and the other A small amount of Xianbei culture and Khitan cultural relics.