TY - MAP ID - 124971089 TI - Geologic sketch of the region of the Kolchugino coal deposit in the Kuznetsk basin, atlas, 14 plates and geological map PY - 1935 DB - UniCat KW - U.R.S.S. UR - https://www.unicat.be/uniCat?func=search&query=sysid:124971089 AB - ER -