Outcroppings were very rare, as the veins were covered with loose wash, and this accounted for the late opening of the field.
Lignitic dial was discovered on or near the coast of Coos Bay as early as 1855, and this is still the only productive coalfield within the state, although there are outcroppings of the mineral all along the Coast Range N.
She glanced around at the rock outcroppings.
The trail wound around pine trees and over rock outcroppings.
When the rocks are concealed by detrital material he looks for outcroppings on steep hillsides, on the crests of hills or ridges, in the beds of streams, in landslides, in the roots of overturned trees, and in wells, quarries, roadcuttings and other excavations.
Thereafter its development was rapid, and the discovery of outcroppings throughout the central and southern parts of the state gave evidence of the existence of great bodies of the mineral.