Re: Absurd letter? As the Zen master likes to say: "We'll see"......
Look up
Tulare Lake sometime. Look up
topographic response to mantle lithosphere removal in the southern Sierra Nevada region. And look up
groundwater overdraft in the San Joaquin Valley. Yes, the area is subsiding. But San Quentin is more immediately exposed to sea level rise; it'll take a while to get up the river.