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To throw out a clue to the answer, books have been written on the subject and even more are on the way. I suspect that a small group of historians could come up with a list of 50 different events occurring within your time frame with consequences adverse to railroads. And it would probably not take them very long. On the other hand, if they started the process ten years ago, they would still be arguing over which event had the biggest impact. I would say that as early as 1948 there were a few leaders
[quote user="Paul_D_North_Jr"] [quote user="Railway Man"] [snip] By the way, mining activity ceased at Tumbler Ridge but since has resumed. RWM [/quote] Thanks for the analysis and update. An apt illustration of what you said in the 4th paragraph of a post on 11-09-2009 at 2 : 30 AM [EST], about halfway down Page 2 of 5 (presently) of this thread [ emphasis added ] : " It's important to think about what is economical to mine and what isn't. There's an old saying
The bad news is that sometimes the water table doesn't subside, too. Some of the land down in Franklin County, Illinois became swamp. Flying over, one could see where panels were recently mined out because trees and other kinds of vegitation were dying. Rend Lake is a Corp of Engineers empoundment of the Big Muddy River. Needless to say we didn't mine out under the ***, so with subsidence the lake became deeper and a little bit bigger. It probably depends on the physical characteristics of
Paul In order to get the appearant inconsistancies with the principles of Econ 101, you have understand the make-up of the over the road trucking business. Not all business entities that offer trucking services meet what might be expected for a trucking company. One might assume that a "trucking company" would actually own trucks and employ drivers. That might be typical of larger companies, say those fielding fleets of 50 to 100 trucks and up. However there is a very substantial number
Not to speak with a miner's knowledge on the subject, but it probably depends on the nature of the rock strata above the seam. When checking around on the subject, I read that surface subsidence would typically run about 60% of the thickness of the seam. That would be in line with my casual observations of subsidence over Southern Illinois mines. My thanks also to Peter for comments from his knowledge and experience.
Paul I am a couple of decades beyond working the business, but I have to agree that about the only way "greener" might have an impact is where a shipper thinks he ought to take a "look" at intermodal service. If the price and service is right there might be a shift, but in the light of the current economic environment, I sure can't see a traffic manager buying a service that costs his company more money just because there is a social issue. One has to assume that "aggressive
Great, but I don't think I'd want to live in the house near the base of that bridge support!
[quote user="selector"] I've swallowed waaayy to much water in this thread, so I went looking and found this handy-dandy reference for those who may be reading, and who, as I am, are unfamiliar with some of the trucking industry initialisms and terminology. http://www.greatcdltraining.com/understanding-trucking/trucking-terms Pardon while I belch..... [/quote]Yah, trucker types have all that stuff, plus secret hand shakes, hand sign and special hats. Unlike railroaders...
Advertising a new George Clooney movie?
The picture was taken at Noon today. The film is still at the camera store?
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