.bk A20
.fl S806yM.j
.fd q log
.ed S806
.ei yM
.rd S806
.ri sE

q
156	pbi	27	12	4705	400S	100E	m4848	146	150	15	removing east baulk in k12
157	pb	24	12	4704	400S	200E	m4900	98	150	10	
158	pb	40	15	r204	50E	100N	m3746	96	150	10	
159	pb	75	101	r205	100W	250S	3749	91	150	10	removing half of the baulk(A19)
.ri yM
160	pbi	62	14	r112	300E	100N	m3746	84	150	10	removing accumulation
.ri sE
161	p	61	14	r133	100S	100E	m3745	53	150	5	removing pebble floor in k14
162	pbi	81	13	4700	250E	100N	m4938	108	150	5	
163	pb	82	12	4706	100W	150N	m4938	102	150	10	
146	pb	84	101	r206	50E	30S	m4851	89	150	10