Glacier wells, [278].

Glassy texture, of extrusive rocks, [32].

Glen Roy, [322], [339].

Glint, [409].

Glint lakes, [408], [409].

Gneiss, [465].

Gneiss banding, [31].

Goethe, cited on volcano structure, [139].

Gold, E., cited, [294].

Goldthwait, J. W., cited, [259], [320], [341], [345], [351].