survey snow_slopes
	centreline
		date 1989.11.02
		data normal from to tape compass clino ignoreall
		1	2	30.4	90	14
		2	3	20.4	94	24
		3	4	21.5	114	-24
		4	5	25	60	-10
		5	6	14.7	118	-10
		6	7	21.7	62	5
		7	8	29.8	122	10
		8	9	11.5	95	19
		9	10	27.6	177	14
		10	11	19.8	157	0
		11	12	30	74	-3
		12	13	30	71	0
		13	14	14.8	52	8
		14	15	24.3	22	1
		15	16	30	60	-4
		16	17	27	70	1
		17	18	30.5	62	6
		18	19	27.3	75	-7
		19	20	30	52	-2
		20	21	30	85	1
		21	22	13	67	0
		22	23	13.3	133	3
		23	24	30	56	-1
		24	25	18.8	67	-8
		25	26	19.6	136	0
		26	27	20.2	123	19
		27	28	30	76	-12
		28	29	27.6	86	13
		29	30	30	148	-2
		30	31	21.5	107	11
		31	32	10.8	81	30
		32	33	16.8	107	-2
		30	35	11	253	-20
		35	36	27	223	-22
		36	37	27.6	180	4
		37	38	5.1	160	22
		38	39	31	92	-41
		39	40	22.6	78	32
		40	41	17.8	49	33
		41	42	13	20	-8
		42	43	26.6	7	-26
		43	44	15.8	346	20
		44	45	10.5	12	38
		40	46	16.8	176	-33
		46	47	18.6	141	21
		47	48	15	88	24
		46	49	11.5	220	-6
		49	50	29.5	185	3
		50	51	26.6	187	3
		51	52	10	187	0
		15	x	10	0	90
	endcentreline
endsurvey
input snow_slopes.th2
map snow_slopes_m -title "Snow Slopes"
 snow_slopes_s1
 break
 snow_slopes_s2
endmap