Dark Roasted Blend – Even Bigger Machines (dig bigger holes)
Big Machines Dig Really Big Holes. The walking excavator "Big Muskie" was once the World's Largest Earth Moving Machine.
Modern Marvels Big & Small DVD – History Store – Machines
We see a mammoth Caterpillar front loader in action, in an open pit coal mine, and dig up the backyard with a loader that's no bigger than a lawnmower. Finally, we walk inside an enormous diesel engine powering an 80,000 ton container ship and eyeball a tiny one driving a five pound model airplane. Back to top.
Coal mining – Wikipedia
Coal mining has had a lot of developments over the recent years, from the early days of men tunneling, digging and manually extracting the coal on carts to large open cut and long wall mines. Coal-cutting machines were invented in the 1880s.
Dreamstime.com – Digging Stock Photos – Search Results
Digging machine II. Digging machine scoop. Earth digging Machine. Work of digging ground and machines truck. Digging of a big electricity cable trench.
BigStockPhoto – Digger Stock Photos & Vector Art – Bigstock
Building machines Bella series. Great mining wheel of coal digger is in action. Excavator standing in sandpit with raised bucket over cloudscape sky. Earth digger on a dramatic cloudy day. Excavator Loader With Rised Backhoe.
Government studies warned that coal-dust limits are outdated – Upper Big Branch Mine Disaster – The …
This "rock dusting" can also be done with spray machines. Investigators digging into the cause of last week's explosion that killed 29 workers at Massey Energy's Upper Big Branch Mine in Raleigh County are focusing on their belief that coal-dust accumulations made the disaster far worse.
World coal reserves could be a fraction of previous estimates (Wired UK)
Mechanisation has actually decreased the world's recoverable reserves, because huge mining machines aren't quite as good at digging out coal as human beings are. More specifically, Rutledge says that big surveys of natural resources underestimate the difficulty and expense of getting to the coal reserves of the world.
3/9/08 – 3/16/08
Energy Source Death Rate (deaths per TWh) Coal – world average 161 (26% of world energy, 50% of electricity) Coal – China 278 Coal – USA 15 Oil 36 (36% of world energy) Natural Gas 4 (21% of world energy) Biofuel/Biomass 12 Peat 12 Solar (rooftop) 0.44 (less than 0.1% of world energy) Wind 0.15 (less than 1% of world e…
Coal Export Action – Massive Direct Action to End Coal Export Mining in Montana – Page 2
From direct actions to stop the "heavy hauls," to mass action against Keystone XL, the freedom-from-tar sands movement has applied pressure in places where Big Oil is constrained by geography or the political process.
The Green Life – Compass – Coal-Director
Unfortunately, big fossil fuel companies are spending big at the eleventh hour to try and stand in the way of a clean energy future for Michigan — and the nation. One Big Step Closer to Ending Mountaintop Removal.