The library is a gold mine of information.
the estate sale promises to be a gold mine for antique dealers
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Thankfully, Amazon is a gold mine for fashionable warm-weather tops, and several are already on sale ahead of Memorial Day weekend.—Julia Morlino, Travel + Leisure, 19 May 2026 Belo Sun has sought since 2012 to establish the Volta Grande gold mine on the banks of the Xingu River in Para state.—ABC News, 18 May 2026 Ramlie is also a commissioner of Amman Mineral Internasional, which operates one of the largest copper and gold mines in Indonesia.—Yessar Rosendar, Forbes.com, 18 May 2026 For 60-plus years, The Highlands resort has been a skiing sensation and a golf gold mine.—Jess Hoffert, Midwest Living, 9 May 2026 See All Example Sentences for gold mine