Magma moves through Hawaiian rift zones as dikes, which are tabular sheets of magma that move laterally and vertically ...

Repairing the Herbert Hoover Dike was a temporary measure and it was never intended ... For decades, the fight over water levels has pit industry, environmentalists, municipalities and the federal ...

EVERETT — Snohomish County officials has sent a warning letter to volunteers who belong to a diking district along Ebey Island for performing unpermitted work on the dike. More than a century ...