I also heard a story from someone when I was a kid that the Spanish (not sure what expedition) crossed the Neches somewhere a bit North of the I-10 bridge and left their gear and "treasure" next to the river to explore and never came back.
I shot you back and email earlier - Hope it helps.
There are so many articles here on Treasurenet that even someone with zero experience can learn to find things pretty quickly. Most everyone here is willing to answer any questions that you would have.
I go to Silsbee a lot, Would love to detect in that area and the Beaumont area. Stay in touch,i will be on the beach this weekend for the holiday. ggh99@embarqmail.com