Rybovitch Ledges Site Site Site depth Latitude Longitude NE Corner Ledge 1 20 26 45.032 80 02.591 NW Corner Ledge 1 22 26 45.036 80 02.602 SE Corner Ledge 2 24 26 45.022 80 02.591 SW Corner Ledge 2 19 26 45.025 80 02.601 Tetrahedron 24 26 45.003 80 02.599 NE Corner Ledge 3 30 26 45.000 80 02.593 SE Corner Ledge 3 30 26 44.997 80 02.590 SW Corner Ledge 3 24 26 44.992 80 02.601 NE Corner Ledge 4 24 26 44.991 80 02.589 SE Corner Ledge 4 24 26 44.988 80 02.586 E End Screens 24 26 44.982 80 02.591 W End Screens 24 26 44.985 80 02.600 data by WGP/LM 09-28-2002