River terraces, [165], [178].

River valley, longitudinal section of, [161].

Roches moutonnées, [276], [301], [367].

Rock bars, [377];

cut through by gorges, [378].

Rock basin lakes, [376], [377], [400], [412].

Rock cleavage, [44].

“Rock glaciers”, [153].

“Rocking stones”, [306].

Rock mantle, [155];