|
000 100 200 300 400 500 600 700 800 900 [ วิทยาศาสตร์และคณิตศาสตร์ (Natural Sciences and Mathematics) ] back |
|
500 510 520 530 540 550 560 570 580 590 [ ธรณีวิทยา (Earth Sciences) ] |
|
550 551 552 553 554 555 556 557 558 559 [ Economic geology ] |
| DC | คำอธิบาย | ||||||||
| Economic geology | |||||||||
| Carbonaceous materials | |||||||||
| Iron | |||||||||
| Metals and semimetals | |||||||||
| Structural and sculptural stone | |||||||||
| Other economic materials | |||||||||
| Water | |||||||||
| Gems | |||||||||
| [แสดง 8/8 รายการ] | |||||||||