[1] These were several plants that were under construction at the time: Unit 1 of Peach Bottom (PA), Connecticut Yankee Nuclear Power Plant (CT), Unit 1 of San Onofre (CA), La Crosse Boiling Water Reactor (WI), Oyster Creek (NJ), R. E. Ginna Nuclear Power Plant (NY), Units 2 and 3 of the Dresden Generating Station (IL), and Unit 1 of the Millstone Nuclear Power Plant (CT).
https://en.wikipedia.org/wiki/List_of_nuclear_reactors#United_States
In Canada, the Douglas Point (ON), Pickering A (ON), and Gentilly-1 (QC) were under construction.
https://en.wikipedia.org/wiki/List_of_nuclear_reactors#Canada
[2]
https://en.wikipedia.org/wiki/Bodega_Bay_Nuclear_Power_Plant
[3] From an actual anti-nuclear protest held in October of 1967:
https://www.gettyimages.com/detail/...nough-trouble-with-hawks-news-photo/517774984