六工城(cheng)(cheng)遺址城(cheng)(cheng)墻(qiang)(qiang)(qiang)底寬4米(mi)(mi)(mi)(mi),頂(ding)寬2.8米(mi)(mi)(mi)(mi),高(gao)7.5米(mi)(mi)(mi)(mi),夯土(tu)版(ban)筑,夯層厚約(yue)0.16米(mi)(mi)(mi)(mi)。南(nan)﹑西﹑北(bei)三面(mian)各有城(cheng)(cheng)門(men)及甕城(cheng)(cheng),城(cheng)(cheng)墻(qiang)(qiang)(qiang)呈(cheng)(cheng)直線(xian),唯(wei)以東(dong)(dong)城(cheng)(cheng)墻(qiang)(qiang)(qiang)連續(xu)四次內折,南(nan)、西、北(bei)墻(qiang)(qiang)(qiang)保存相對較(jiao)好,外城(cheng)(cheng)東(dong)(dong)墻(qiang)(qiang)(qiang)倒塌嚴(yan)重。全城(cheng)(cheng)共有內外角墩7個(ge)、馬(ma)面(mian)8個(ge)。大城(cheng)(cheng)東(dong)(dong)北(bei)連接(jie)一(yi)座(zuo)小城(cheng)(cheng)障,平面(mian)呈(cheng)(cheng)方(fang)形(xing),南(nan)面(mian)正中(zhong)設門(men),東(dong)(dong)西長(chang)76米(mi)(mi)(mi)(mi),南(nan)北(bei)寬82米(mi)(mi)(mi)(mi),面(mian)積(ji)6232平方(fang)米(mi)(mi)(mi)(mi),夯土(tu)版(ban)筑,底寬8.3米(mi)(mi)(mi)(mi),頂(ding)寬4.9米(mi)(mi)(mi)(mi),高(gao)10米(mi)(mi)(mi)(mi)。除東(dong)(dong)北(bei)角外側剝落較(jiao)為嚴(yan)重外,其它(ta)墻(qiang)(qiang)(qiang)體保存完整。
六(liu)工(gong)城(cheng)遺址是絲綢之路上(shang)兩漢(han)以來一處重要的城(cheng)址,初步考證大城(cheng)當(dang)(dang)為“宜(yi)(yi)禾縣”,小城(cheng)當(dang)(dang)為“昆侖障”之故(gu)址。始建于漢(han)代(dai),城(cheng)外有農(nong)田(tian)水利(li)遺跡(ji),證實(shi)當(dang)(dang)時宜(yi)(yi)禾城(cheng)既是軍事要塞,又是農(nong)業(ye)屯墾區,為研究絲綢之路發展和各民(min)族(zu)交往有重要的價值(zhi)。