Looking for Minerals To Aid Agriculture

Year:1977 Issue:31

Column: ON THE HOME FRONT

Author:

Release Date:1977-07-29

Page: 31,32

Full Text:

THE Geological Bureau of Shantung Province in east China has since 1975 located more than 300 deposits of phosphorus ore in 59 counties, 37 deposits of pyrite ore in 20 counties and some...

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