Pat Sheahan and John Kaiser team up

摘要

As one of the only mining newsletter writers with a lasting interest in diamonds, John Kaiser has been receiving Pat Sheahan's diamond literature service - a monthly PDF listing of technical papers that have been published on diamonds, plus notable diamond-related corporate press releases and media coverage - for years. But Kaiser found the PDF format of limited use and in 2015, he approached Sheahan with a way to modernize the service, which Sheahan had first started in 1970.