The waters, which rise from alluvium, are saline and purgative.
"The South of France--East Half"
Charles Bertram Black
Luckily the fertile alluvium of these valleys, lying parallel with the sea, offered no "indications" to attract the gold seekers.
"On the Frontier"
Bret Harte
But most of the alluvium in and about the bed of the creek ran deep, often from ten to twenty feet.
"Reminiscences of a South African Pioneer"
W. C. Scully