;Survey of Tham Monhwa entrance area
#date 2005-01-07

;Book - Martin Ellis Inst.- Ivan Hollis
;SMCC Combined unit
#note 23 second entrance
#flag 23 /Entrance
#seg /cave
PE0030A:1	19	21.3	21	-13
19	20	13.25	333	-16	<25,8,--,1.6>
20	<25,2,8,1.6>
21	20	19.1	67	20	<10,20,20,1.6>
22	21	21.5	150	-6
22	23	22.9	5	22	<2,15,10,5>
23	<5,2,5,1>

21	24	7.35	255	-28
25	24	10.1	65	69
25	26	13.3	000	-90	<2,0,3,2>
26	<2,5,2,0, 065>
;Grade 1 data - high CO2
26	26a	5	325	00
26	26b	4	000	-90
26b	26c	1	110	00
26c	26d	10	000	-90