Subject categories
Agriculture, Business, Commerce & Industry → Industries - United States
Agriculture, Business, Commerce & Industry → Mineral industries
Agriculture, Business, Commerce & Industry → Miners
Agriculture, Business, Commerce & Industry → Mines and mineral resources
Climate, Environment, Natural Resources & Disasters → Economic development - Environmental aspects
Climate, Environment, Natural Resources & Disasters → Environment
Climate, Environment, Natural Resources & Disasters → Environment - Social aspects
Climate, Environment, Natural Resources & Disasters → Environmental protection
Climate, Environment, Natural Resources & Disasters → Mines and mineral resources
Climate, Environment, Natural Resources & Disasters → Natural resources - Environmental aspects
Documentary
Documentary → Documentary films - United States
Economics, Philosophy, Politics, Religion & Sociology → Economic development - Environmental aspects
Economics, Philosophy, Politics, Religion & Sociology → Environment - Social aspects
Economics, Philosophy, Politics, Religion & Sociology → Mining districts - Social aspects
Economics, Philosophy, Politics, Religion & Sociology → Social conflict
Short films
Short films → Short films - United States