Geology and mineral resources of the Philippine islands
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | Visual Material |
| भाषा: | English |
| प्रकाशित: |
Englewood, Colo.
Microcard Editions
1924.
|
| श्रृंखला: | Philippine culture series
item 62 |