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Hello all, long time reader, but first time poster. I have been watching trains off and on for quite a while now, but I started photographing them about a year ago. In photographing, I have also been trying to keep track of the reporting marks and have found some good websites for researching them, but there have been a couple that I have not been able to find. The two that I am having trouble with are TLKX and GPIX. I think GPIX might be Sunbelt Cement just because of the logo on the side. So I was wondering if anyone knew what these were or what sites you use on a regular basis. <br /> <br />Thanks in advance.
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