| It is discovered in a limy stratum at the Brazils, I find, but rarely, and always waterworn. |
| The houses are generally built of waterworn stones, without cement, but plastered with mud outside and inside. |
| The bones are black, brown or white, highly fragmented and waterworn to a variable degree. |
| The bed of the river is gravelly, or composed of waterworn stones, which diminish in size as you recede from the mountains. |
| Seaside and river gravel, which is composed usually of rounded, waterworn pebbles, is unfit for surfacing roads. |
| Sportrock sites are limited to accesible areas of high quality quartzite, and waterworn limestone. |
