COPPER MINING
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Ore is mined by use of heavy equipment and hauled to the mill. Processes of milling and smelting until blister bars of 99% pure copper are obtained. Stresses the amount of raw material handled to extract the valuable remaining metal
Complete catalog record
Source: Dowling
Interest level: el-Jh-sh
Guide: Guide
Price: $135
Format: sd color
Catalog numbers: EFLA evaluation card No. 4129
Interest level: el-Jh-sh
Guide: Guide
Price: $135
Format: sd color
Catalog numbers: EFLA evaluation card No. 4129
Sources
- Educational film guide. Supplements (1959-62) — title, year, length, format, color, sound, description, catalog record
Record added 2026-07-06 16:23:50