T12NR18E

FOLLOWING COMMENTS MADE BY KN/LL 2/2011

ADDED FOLLOWING ARRA CONTROL POINTS:
 100100    342312.2774 1102842.6729 6610.000   2    2  27 ARRA
 100700    342800.8525 1102844.1236 6380.000   2    2  27 ARRA
 700100    342312.9096 1102224.3813 6577.000   2    2  27 ARRA
 700700    342803.9802 1102222.8324 6201.000   2    2  27 ARRA

COMMENTED OUT PREVIOUS LESS ACCURATE VERSIONS OF THESE CONTROL POINTS

 CHI SQUARED TEST ON ANALYSIS
   .748 <   .762 <  1.208
   (LOW)             (HIGH)
 PASSES AT THE 5 % SIGNIFICANCE LEVEL
 A STD. ERR. OF UNIT WGT. BETWEEN 0.5 AND 2.5 IS
 CONSIDERED SUITABLE FOR MOST APPLICATIONS
