Comments

Author Comment Last activity Moderation
joyofsoy "The quote is suspect. Unless the mine has been lined with clay or with plastic, internal drainage implies that the storm water and the wastewater p..." | Read more » almost 4 years ago
joyofsoy "My response in the thread: From this article, I learned: As of January 2019, the quarry was producing gravel, limestone, and sand. Fracking was me..." | Read more » almost 4 years ago
joyofsoy "This is likely a contracted blasting service where the blasting company drills a "grid" of 5.5-6.5" bore holes (comparable to well water casings) ~..." | Read more » almost 4 years ago
joyofsoy "Many companies do "bore" holes before they start mining. One requirement in the state of WI is that those bore holes be sealed so that contaminants..." | Read more » almost 4 years ago
joyofsoy "My limited understanding: looking for “veins” is done with a digger not by blasting. One seeks sand close to the surface where it’s easier to dig...." | Read more » almost 4 years ago
joyofsoy "Just an update: I shared this question with our Midwest mailing list and received some very helpful responses, which is included in the thread below. " | Read more » almost 4 years ago
joyofsoy "I'd usually agree with you @liz, but I found some more research on the site, and in this case there's a mix of limestone, quartz, and other materia..." | Read more » almost 4 years ago