Modeling general discussion

I have a question about bridge pilings.........
Hopefully there are some bridge engineers out here that can help. I am building a plate girder bridge with 2 tracks on it, one standard gauge and one narrow. It is 8 1/2" in O scale (34') wide. This will be the type with ballast on it. It spans over a yard that has 3 tracks and will require 2 sets of 5 to 6 pilings for support. I like pilings instead of piers as you can see through them.

Weekly Photo Fun - 2/4-2/10/2018
I looked, and haven't seen this for this week yet, so... here we go!
advice on creating a riverbed
I am new to this forum and want to get some advice on how to create

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EMD 567 couple of questions.
I'm just curious. As this type of work is sent else where here in N.D.
1. If the piston bore diameter is 8 1/2", what is the diameter of the piston sleeve?
So an 1/8" dowel should be about the right piston size, or at least close, right?
My scale ruler reads 9" when I look at it. I haven't seen anything smaller than 1/8" here in N.D.
Also does anyone know, the length of just the piston & With the connecting rod (width & length)?
Detailed railroad maps
Greetings everyone!
I am returning to model railroading after a 20 year hiatus. I model interurbans on O scale and am looking for a map of Milwaukee. WI that shows industrial trackage. In particular I want to see the Milwaukke Road`s industrial trackage on the north side of town. I found some old ariel photos but they are not clear enough. My railroad will be free lanced based on this area.
Thank you in advance,
Mike

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