[120] Oil Fields / 油田, 1998

Oil fields, coal and gas deposits sites known in 1998 are shown. Since then the known deposits and reserves have multiplied due to new techniques in finding and exploiting them.

這裡標示著在1998年有記錄的油田以及煤炭和天然氣礦床。由於偵測與開發技術的發達,已知的礦床和礦石儲量已從那時起成倍增加。