G, Inner Circle (the Unknown Country).
H, Middle Circle (Sphere of Energy, or Circle of Rest).
L to M, Height of atmosphere, 200 miles.
K, Entrance to cavern in Kentucky.
L, Outer circle, earth's surface.
Mt. E, Mount Epomeo in Italy.
N, North Pole.
O, Rock shelf from which the leap was made into the intra-earth space.
P, Junction of earth crust with Circle of Rest. Point where I-Am-The-Man stepped "onward and upward" in "The Unknown Country."
S, South Pole.