*begin East-Twin-to-Lionels
; Surface paths between Lionels Hole & East Twin Swallet
;     Burrington Coombe, Somerset, UK
; Grade 3 survey
;	carried out by     David Cundy   16th May 2006;
;	Chris Whale's 100 ft  tape                 accuracy = +/- 2"        uncalibrated
;	Silva Ranger-16 mirror compass             accuracy = +/- 1 deg     uncalibrated
; 	Laser inclinometer + spirit level          accuracy = +/- 1 deg     uncalibrated
;#Units   Feet   Order=DAV   LRUD=F   DECL=-3.15
; FROM	TO	DIST 	AZ	 INCL
;
*flags surface
*data normal from to tape compass clino
*units tape feet
*units compass degrees
*units clino degrees
ET01A	ET001a	0	0	0
TR301	LH01A	13.8	046	2
R10	TR301	13.3	026	11.5
R10	R20	21.0	205	1.5
R20	R21	59.7	119	3.3
R21	TR102	62.5	189	6
TR102	TR103	68.5	232	8.2
TR103	TR104	47.8	208	6.5
;  note that the legs TR6-TR7 and TR7-ET001 were not measured.  Data is a copy of the GRADE 2 survey measurements
TR104	TR105	64	182	7
TR105	ET01A	25	125	-1
; the next 7 legs are simple copies of the GRADE 2 survey measurements
TR101	TR101A	11	190	0
TR102	TR102A	13	175	0
TR103	TR103A	9	125	0
TR104	TR104A	14	090	0
TR102	TR101	63.5	095	-6
TR101	H1	17	040	-13
TR101	R22	34	040	-1
R22	R12	20	020	0
;#NOTE LH01A LH entrance
;#NOTE R10 road N
;#NOTE R12 road N
;#NOTE R20 road S
;#NOTE R21 road S
;#NOTE R22 road S
;#NOTE H1 drainage pit
;#NOTE TR101 sapling
;#NOTE TR102 sapling
;#NOTE TR103 big tree
;#NOTE TR104 tree
;#NOTE TR105 tree
;  LH01A is the ledge at the top right of the entrance aperture to Lionel's Hole
TR202	TR103	35.7	077	0.5
TR202	TR104	38.8	155	7.5
TR203	TR202	22.6	160	8.8
TR204	TR203	54.7	179	9.6
TR205	TR204	22.8	149	7.2
TR206	TR205	54.5	140	7.8
TR207	TR206	42.3	136	9.4
TR208	TR207	86.6	129	8.8
TR208	R18	19.9	028	-3.2
;
TR208	TR303	78.2	066	3.2
TR303	TR207	87.8	180	6.5
;
TR205	CP001	51.8	059	1.7
LH01A	CP001	78	225	1.2
;  Note  The legs GH01A-TR303-TR302-TR301 were only measured in azimuth.
;             Distance and elevation data are copies of the GRADE 2 survey measurements
;             The legs have been renumbered.  They were GH001-LH001c-LH001b-LH001a
TR303	GH01A	6.8	035	-7
TR303	TR302	97.5	125	7.5
TR302	TR301	79.5	113	8.5
;#NOTE TR202 track
;#NOTE TR204 track
;#NOTE TR206 track
;#NOTE TR207 track
;#NOTE TR208 track
;#NOTE CP001 concrete post
;#NOTE R18 road S
;#NOTE GH01A GH Entrance
*end East-Twin-to-Lionels