Re: PHOTOS: PORTLAND MAX (1636320) | |||
Home > SubChat | |||
[ Read Responses | Post a New Response | Return to the Index ] |
|
Re: PHOTOS: PORTLAND MAX |
|
Posted by Jackson Park B Train on Wed Oct 2 12:59:14 2024, in response to Re: PHOTOS: PORTLAND MAX, posted by New Flyer #857 on Wed Oct 2 11:11:14 2024. In the tunnel there are dioramas displaying core samples from tests prior to the construction. According to the texts the core samples document several magnetic pole shifts over time. |