Shellsburg Well, Iowa 186^ 
Sherburne, map U93c, d, 509, 5H, 513 • 
Sherburne-Sarlville road U8l 
Shermans Gully 270 
Shew Hollow lli58 
Shurger Glen 127, 76U 
Silica, Ohio 1753, 1819 
Silica Point, Ont. I8l7 
Siloam 857 
Silver Lake 1530 
Skaneateles Lake (1927) 575 
Skaneateles Quad,, 5l5a-575, 1512 
Smiths Test Pit, Mich I 89 U 
Smokes Creek 576 
Smokes Creek (South Branch) 580 
Smyrna II 6 I 
Solon Quarry, Iowa I 8 OI 
