Edward Traxler is someone I’ve read about for a while. Only recently did I visit his website. Where I found today’s interesting set of resources.
Site 1: Edward Traxler’s The Deep River Railroad – PDFs and PPTs page
It’s just what the name says folks. A few really good clinic presentations and PDF files for building all sorts of interesting things. Plans for loading ramps, piers, and links to other resources for the interested.
Site 2 – as for site 1 – Building cardstock models the modern way
Also on Edwards site is a great tutorial on building using cardstock (thicker grades of paper). Both a PDF and PPT file are available for download and there is an overview on the page in the link above also.
Andrew's Trains 
Excellent article, good to see quality content we can all share between all users.
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