> The write-up is in response to a question asking how long dams like the Hoover Dam, which is a large concrete dam, are designed to last. It wasn't suggesting that all dams are concrete. But the author mixes concrete…
By last count (few years old), the number of dams was estimated at ~84,000 (not 76,000). Close, but that numerical discrepancy should point out one thing: it's an estimate. USACE maintains an authoritative database of…
> The write-up is in response to a question asking how long dams like the Hoover Dam, which is a large concrete dam, are designed to last. It wasn't suggesting that all dams are concrete. But the author mixes concrete…
By last count (few years old), the number of dams was estimated at ~84,000 (not 76,000). Close, but that numerical discrepancy should point out one thing: it's an estimate. USACE maintains an authoritative database of…