"Gov. Ronald Reagan poured a canteenful of water from Oroville Dam onto the ground at what will become Lake Perris Saturday in a ceremony making the start of the last link in a chain that will bring more water to Southern California." [Envelope contains one published image and additional images related to event; envelopes 423, 424, and 426 contains additional images.]

[Envelope contains images of a event at damsite in Perris, California in runup to 1970 election. Shots of the crowd, and of a military band. Images related to those in envelopes 423, 424, 425, and 428.]

This series consists of photographic negatives taken by Dan Rios and other photographers at the Escondido Times-Advocate and North County Times newspapers.

Negatives are in 35 mmm, medium, and large formats, and are black and white negatives, color negatives, and color positive film.

[Crowd shots likely from Ronald Reagan's visit to Perris, California in runup to 1970 governor's election. If so, images related to envelopes 423, 424, 425, and 426.]

This series consists of photographic negatives taken by Dan Rios and other photographers at the Escondido Times-Advocate and North County Times newspapers.

Negatives are in 35 mmm, medium, and large formats, and are black and white negatives, color negatives, and color positive film.

This series consists of photographic negatives taken by Dan Rios and other photographers at the Escondido Times-Advocate and North County Times newspapers.

Negatives are in 35 mmm, medium, and large formats, and are black and white negatives, color negatives, and color positive film.

This series consists of photographic negatives taken by Dan Rios and other photographers at the Escondido Times-Advocate and North County Times newspapers.

Negatives are in 35 mmm, medium, and large formats, and are black and white negatives, color negatives, and color positive film.

This series consists of photographic negatives taken by Dan Rios and other photographers at the Escondido Times-Advocate and North County Times newspapers.

Negatives are in 35 mmm, medium, and large formats, and are black and white negatives, color negatives, and color positive film.

This series consists of photographic negatives taken by Dan Rios and other photographers at the Escondido Times-Advocate and North County Times newspapers.

Negatives are in 35 mmm, medium, and large formats, and are black and white negatives, color negatives, and color positive film.

This series consists of photographic negatives taken by Dan Rios and other photographers at the Escondido Times-Advocate and North County Times newspapers.

Negatives are in 35 mmm, medium, and large formats, and are black and white negatives, color negatives, and color positive film.