Rock quarrys have a drill that they use to drill holes to put charges into. You might ask around in that direction.
That sounds like a job for an oilfield company that drills rat holes.
Call a rathole driller.
They go as big as 20" regularly and some can go 3-400'.
Since you are an engineering student, they might do it free.
Yeah. I just wanted to add the "they might do it for free".Hey okietool, great minds think alike!
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