Supporting Technical Assessments

B H: U W 3 4 3 U W 3 4 3 • A br u pt c h a n g e fr o m li g ht br o w n cl a y t o i n -sit u d ar k br o w n i g ni m brit e at 1 2. 1 m ( D o w n h ol e D e pt h) i nt er pr et e d a s sli p s urf a c e (r e d li n e) • Sli p s urf a c e i nt er pr et e d at ~ 8. 3 m d e pt h ( Tr u e D e pt h)

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