Fun but also informative magazine articles from those times by well-known writers:
'The Tinkerings of Robert Noyce' by Tom Wolfe in Esquire magazine, Dec 1983, pps 346-374 about the 60s 70s and early 80s in SV: Fairchild, Intel and other companies, Willian Shockley, Gordon Moore and other people. On the web at
https://web.stanford.edu/class/e145/2007_fall/materials/noyc...
Spacewar: Fanatic Life and Symbolic Death Among the Computer
Bums, by Stewart Brand in Rolling Stone 7 Dec 1972. Stanford AI Lab and Xerox PARC in the early 70s. Also at
http://www.wheels.org/spacewar/stone/rolling_stone.html
The Suburb That Changed the World, Jaron Lanier, New Statesman 28 Aug 2011. SV in the 70s and 80s as seen by a then-young hacker remembered much later.
http://www.newstatesman.com/scitech/2011/08/silicon-valley-c...
The Guy I Almost Was, by Patrick Farley - Early 90s cyber-utopianism in SV as seen by an aspiring outsider
http://electricsheepcomix.com/almostguy/