*begin surfrace
;*export 1 
*entrance 13
*entrance 14
*entrance 15
*entrance 40
*entrance 42
*entrance 43
*entrance 71
*entrance 72



*units dx dy 4.425 metres ; derived from scale bar
*units dz 1.0 metres
*data cartesian from	to	dy	dx	dz

1	2	-4	-3	0
2	3	-5	-5	-1
3	4	1	-8	-1
4	5	-6	-6	0
5	6	-6	-4	0
6	7	-2	-3	0
7	8	-6	-4	0
8	9	-6	-3	0
9	10	-10	-7	0
10	11	-4	-4	0
11	12	-3	-3	0
2	13	1	-2	12
4	14	2	0	14
7	15	0	-2	4
11	16	1	4	0
16	17	2	3	1
17	18	-1	3	1
18	19	3	2	0
19	20	0	2	1
20	21	-6	3	1
21	22	-3	0	0
22	23	-6	-3	1
23	24	-7	-2	0
24	25	-6	-4	0
25	26	-4	-4	1
26	27	-10	-2	0
27	28	-2	5	1
28	29	-3	3	1
20	30	3	1	8
30	31	6	8	-3
31	32	-1	4	1
32	33	2	5	5
21	34	-1	-3	4
34	35	2	-1	1
35	36	0	-2	1
36	37	1	-1	4
37	38	-1	-3	2
38	39	4	-2	3
39	40	2	-3	5
39	41	4	1	0
41	42	2	-1	0
41	43	4	1	-2
20	35	-5	-1	6
23	44	1	-5	10
44	45	-2	-1	5
45	46	1	-3	4
46	47	2	-3	4
47	48	0	-2	2
44	49	0	-2	2
46	51	-2	-2	2
47	50	1	3	6
24	52	0	-3	3
52	53	3	-2	3
52	54	-5	-4	2
54	25	-1	3	-5
54	26	-5	-1	-4
26	55	-2	-4	6
55	56	-4	-2	0
56	57	-1	0	1
57	58	-1	-2	0
58	59	-1	0	0
59	60	0	-1	0
60	61	-3	-3	-2
61	62	0	-2	1
62	63	-2	0	2
63	64	0	-2	0
64	65	2	0	1
65	66	-1	-4	7
66	67	-2	-1	4
67	68	0	-2	4
67	69	-4	1	7
69	70	-3	-6	-1
70	71	-1	-5	-3
70	72	2	-3	-1
69	73	3	7	-1
73	74	3	-2	2
55	75	2	-4	4

*flags surface
1	76	14	9	0;	sink
12	77	-10	-11	0;	resurgence
71	78	-5	-4	-29;	waterfalls

*flags not surface






*end surfrace