1880 2 Oct. 1/3 Then followed the miners' strike, by which all paying mines were promptly closed, as well as most of the prospect work.
1882 (U.S. Bureau of Mint) 290 Prospect work is all that has thus far been done.
1973 D. A. Smith (1989) viii. 143 Critics now attacked from all sides. Prospect work had been sadly neglected, shouted some.