Mining in Arizona
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✎ Suggest a correctionShows open pit and underground mining methods. Open pit includes diamond drilling, air drilling and blasting, churn drilling and blasting. Underground methods show tunnel driving, sinking wings and shaft with a rotary drill, scraping ore into chutes.
Complete catalog record
Category: Materials & Metals
Subcategory: Copper
Type: Motion Picture
Source: Ph Dodge USBM
Format code: 16si
Subcategory: Copper
Type: Motion Picture
Source: Ph Dodge USBM
Format code: 16si
Sources
- Index of Training Films 1946 — title, year, creator, length, format, sound, description, catalog record
Record added 2026-07-09 22:50:41 · Suggest a correction