A slip (also sometimes called a scoop, scraper, or road scraper) was the common implement for moving dirt when doing such things as digging ponds or making fills where large volumes of dirt were needed.
RIO GRANDE. The Rio Grande rises in Rio Grande National Forest, San Juan County, Colorado (at 37Â°47' N, 107Â°32' W), as a clear, spring and snow-fed mountain stream 12,000 feet above sea level. Its origin is at the Continental Divide in the San Juan Mountains.
Located 10 miles (16 km) west of Taos, the deep gorge of the Rio Grande is the only major rift across an otherwise flat expanse of land between the mountains of the Carson National Forest and the Sangre de Cristos.ith its headwaters high up in the Rocky Mountains of south-central Colorado, the Rio Grande is Americaâs 4th longest river, stretching 1,885 miles (3,034 km) south to the Gulf of Mexico.