Preliminary Report On The Building Stones, Clays, Limes, Cements, Roofing, Flagging Ancd Paving Stones, Of Minnesota

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This detailed survey of building materials in Minnesota provides valuable information on various types of stones, clays, limes, and cements, as well as roofing and paving materials. With detailed maps and illustrations, as well as technical information on processing and manufacturing techniques, this book is an essential resource for builders, architects, and engineers in the region.