Ko te rangahau Archaeological i runga i te Eifel aqueduct tīmata i roto i te rau tau 19. ko C.A. Eick te kaiwhakarewa o te puna tawhiti i Cologne i Grüner Pütz tata Nettersheim (i roto i te 1867). I whakahaerehia te ako pūnaha o te aqueduct i 1940 ki 1970 e Waldemar Haberey (de). Ko tana pukapuka 1971 he aratohu pai tonu i te huarahi o te hanganga. I te 1980, archaeologist Klaus Grewe (de) tino mahere i te raina wāhi, me te tāpiri i te reira ki te mahere topographic Tiamana mōhiohio. Ko tona Atlas der römischen Wasserleitungen nach Köln (Atlas o Roman Aqueducts ki Cologne, 1986) ko te mahi paerewa mō ngā kairangahau i roto i te mahere hoahoanga Roma. Pātai: he aha te tau i kitea ai e te kairangahau te wāhi?
Ko te 1980