Mining in Arizona

Shows 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

Sources

  1. Index of Training Films 1946 — title, year, creator, length, format, sound, description, catalog record