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Originally posted by spikey
reply to post by SleeplessInUS
Possibly the underground rapid transit system.
These maglev underground trains, have reported speeds of 4000 MPH.
Could be the midday express whizzing through the county.
Do you get a sonic boom underground?
If there is air in the tunnel (as opposed to artificial vacuum) then i s'pose it could be the sheer speed causing a sonic like boom, followed by the rumbling.
UNITED STATES NUCLEAR REGULATORY COMMISSION Draft Environmental Impact Statement for the Reclamation of the Sequoyah Fuels Corporation Site in Gore, Oklahoma, License No. SUB-1010, Draft Report for Comment, NUREG-1888, September 2007
Sequoyah Fuels Corporation (SFC) is proposing to conduct reclamation activities at its 243-hectare (600-acre) former uranium conversion site in Gore, Oklahoma, in accordance with Title 10, "Energy," of the U.S. Code of Federal Regulations (CFR), Part 40 (10 CFR Part 40), Appendix A (which includes criteria for the disposition of uranium mill tailings or wastes). In its Reclamation Plan submitted to the U.S. Nuclear Regulatory Commission (NRC), SFC proposes to consolidate contaminated sludges and soils, demolish existing structures (with the exception of the administration building and the electrical substation), and construct an above-grade, onsite engineered disposal cell for the permanent disposal of all contaminated materials.