Alluvial tin prospecting including tables for checking the accuracy of bore holes, and for estimating the amount, richness and value of the ore obtaines from them
| Main Author: | |
|---|---|
| Language: | English |
| Published: |
Taiping
Perak Government Printing Office
1893
|
| Series: | Perak Museum notes ; no. 2
|
| Subjects: |
Warning: oci_connect(): ORA-12170: TNS:Connect timeout occurred in E:\SEAL\vufind\module\VuFind\src\VuFind\ILS\Driver\ILMU.php on line 125
Fatal error: Call to undefined function VuFind\ILS\Driver\oci_errors() in E:\SEAL\vufind\module\VuFind\src\VuFind\ILS\Driver\ILMU.php on line 128