Ann: Update on Central Processing Plant Commissioning, page-148

Its been explain by You3OAte the Lance area has high gypsum clogging up the wells, its not like other areas where ISR mining is used.

First time PEN try Low pH 6 years ago best recovery was 256k lbs of a nameplate 1015m lbs,, reason for the low recovery gypsum clogging the wells and pipes,... and You3OAte pointed out PEN gypsum problems well before hand.