H. Zimdars and J. Delume, Foresthill, California

H. Zimdars and J. Delume of Foresthill, Placer County, California, worked a small amphibole asbestos property, unnamed in the sources, that the U.S. Bureau of Mines' Minerals Yearbook followed from 1946 to 1954.^1,5 The yearbook reported their "production of amphibole asbestos" in 1946 and again in 1947.^1,2 In 1948, it said, they "mined a small quantity of tremolite in Placer County but discontinued mining later in the year."³ The yearbook for 1953, printing the names as "W. Zimdars and J. Delmue" of Auburn, said they "shipped a small quantity of tremolite from Placer County," and in 1954 that they "mined and sold a small quantity of tremolite asbestos."^4,5

The documents report small or short-lived production of asbestos fiber for sale.⁵

Location

Year by year

Every statement about this mine in the documents, in each document's own words, by the year it is about.

1946

• Worked: “Production of amphibole asbestos was reported also by H. Zimdars and J. Delume of Foresthill, Placer County” (H. Zimdars and J. Delume), p. 2¹

1947

• Worked: “H. Zimdars and J. Delume reported amphibole production from Placer County” (H. Zimdars and J. Delume), p. 2²

1948

• Worked: “mined a small quantity of tremolite in Placer County” (H. Zimdars and J. Delume), p. 2³
• Idle: “discontinued mining later in the year” (H. Zimdars and J. Delume), p. 2³

1953

• Worked: “shipped a small quantity of tremolite from Placer County” (W. Zimdars and J. Delmue), p. 2⁴

1954

• Worked: “mined and sold a small quantity of tremolite asbestos from Placer County” (W. Zimdars and J. Delmue), p. 2⁵

Other names

Documents call this mine “H. Zimdars and J. Delume of Foresthill”, “W. Zimdars and J. Delmue”.

See also

• Asbestos exposure sites in California
• All asbestos mines

References

1. Minerals Yearbook: Asbestos Chapters, 1946 (January 1, 1947), p. 2.
2. Minerals Yearbook: Asbestos Chapters, 1947 (January 1, 1948), p. 2.
3. Minerals Yearbook: Asbestos Chapters, 1948 (January 1, 1949), p. 2.
4. Minerals Yearbook: Asbestos Chapters, 1953 (January 1, 1954), p. 2.
5. Minerals Yearbook: Asbestos Chapters, 1954 (January 1, 1955), p. 2.