Feeds:
Posts
Comments

Archive for April 6th, 2014

Originally published in The Seattle Times, April 6, 1969

By Hill Williams, Science Editor, The Times

James G. Vaux, right, showed his father, James E. Vaux, a chunk from a slag pile near an old coal mine near Black Diamond. The men, officials of the Vaux Construction Co. of Kirkland, process the slag for uses ranging from athletic-track surfacing to plugging leaks in flood gates of dams. (Times staff photo by Bruce McKim.)

James G. Vaux, right, showed his father, James E. Vaux, a chunk from a slag pile near an old coal mine near Black Diamond. The men, officials of the Vaux Construction Co. of Kirkland, process the slag for uses ranging from athletic-track surfacing to plugging leaks in flood gates of dams. (Times staff photo by Bruce McKim.)

You’ve seen those slag piles near the abandoned coal mines in the Black Diamond-Maple Valley area?

Well, a Kirkland firm which once thought of the piles as merely a source of cinders for athletic tracks is rapidly finding new uses for the material.

In fact, it’s a little embarrassing. The company still doesn’t know why the burned-out material does many of the things it does.

“We’re having tests made,” said James E. Vaux. “But we’re still as puzzled as anybody.”

But in the meantime the company has taken options on all the slag piles it can find in the area.

The Vaux Construction Co. stumbled into the slag-reclaiming business about five years ago when it won a job to surface an athletic track for the Issaquah schools. (more…)

Read Full Post »