![Concrete silos... Fig. 71. William Stoll's block silo, near Lan- sing, Mich. The blocks wore nnide by the owner upon the concrete floor of his d:iiry barn, and laid up a Concrete silos... Fig. 71. William Stoll's block silo, near Lan- sing, Mich. The blocks wore nnide by the owner upon the concrete floor of his d:iiry barn, and laid up a](https://c8.alamy.com/comp/REB8EW/concrete-silos-fig-71-william-stolls-block-silo-near-lan-sing-mich-the-blocks-wore-nnide-by-the-owner-upon-the-concrete-floor-of-his-diiry-barn-and-laid-up-a-row-at-a-time-as-lie-had-an-opportunity-the-estimateti-cost-was-1750-including-labor-capacity-07-tons-one-of-the-first-concrete-silos-in-ingham-county-fig-72-mr-frank-bennetts-concrete-block-silo-east-troy-wis-8-in-by-8-in-by-20-in-rock-face-block-were-used-these-beingob-tainetl-from-a-local-dealer-this-silo-holds-11lt-tons-and-cost-s340-the-roof-is-of-sheet-steel-the-contractor-was-albert-flbert-REB8EW.jpg)
Concrete silos... Fig. 71. William Stoll's block silo, near Lan- sing, Mich. The blocks wore nnide by the owner upon the concrete floor of his d:iiry barn, and laid up a
![Found in central kentucky, sets off my metal detector. Tons of it around an old tobacco barn (air dry barn). Is it some type of coal, coke, iron ore? It doesn't seem Found in central kentucky, sets off my metal detector. Tons of it around an old tobacco barn (air dry barn). Is it some type of coal, coke, iron ore? It doesn't seem](https://preview.redd.it/found-in-central-kentucky-sets-off-my-metal-detector-tons-v0-qin1654tb9hc1.jpg?width=640&crop=smart&auto=webp&s=1bc0c6d90e39fb85a120f4f01949dfe8d62857c8)
Found in central kentucky, sets off my metal detector. Tons of it around an old tobacco barn (air dry barn). Is it some type of coal, coke, iron ore? It doesn't seem
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