64
61
65
61
55
55
43
59
73
61
64
62
63
40
20
53
66
64
64
67
24
36
60
67
63
33
38
58
67
64
39
40
39
57
43
52
68
68
59
65
51
50
71
66
63
60
65
67
114
122
21
51
light · 6 m above the sea
buoy · 37 m of water
N
0
200 m
An island that is nowhere
18.9 hectares above the sea · highest point 122 m · 12 contours, one every 10 m · 48 soundings, in metres
Two lights: one on the land, one on the water. Every figure on this chart is read from the same hill.
Murmur · 2026-10-01 · a free hour, made at the gallery’s still-image gate · not for navigation
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