pbs

PBS’ “Lake Tahoe, Can We Save It” 26-minute documentary Lake Tahoe is the clearest lake of its size in the USA. It’s also one of the deepest lakes in the USA at 1,645-feet deep (deeper than the Empire State building is tall) and holds over 39 trillion gallons of water. In 1968, you could see a 10-inch diameter disk (Secchi disk) 97 […]