San Luis Obispo County: 10 decades of changing landscapes

The curated articles focus on different aspects of San Luis Obispo (SLO) County's evolution over time, touching on themes such as historic preservation, land management, and local culture. Each story brings a unique perspective to how the county maintains its identity while adapting to change.

In one article, a rare 1938 travel film guides viewers through SLO's icons, showcasing leisure activities and landmarks, like Sycamore Mineral Springs and Atascadero Lake. The film acts as a historical snapshot, offering insights into the county's past, free from the struggles of the Great Depression. Another piece highlights the introduction of longhorn cattle along Highway 101. The cattle not only offer scenic charm but serve a critical role in fire prevention by grazing on dry grass. This story emphasizes the practical integration of aesthetics and safety.

Finally, a portrait series by a local photographer captures the faces of community members in Cambria. These portraits offer a human touch to SLO's evolving story, reflecting personal histories against the backdrop of the broader county narrative.

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A steer at left, and cow nuzzle while grazing. The longhorn cattle seen west of Highway 101 near Santa Margarita are an echo of the original herds of Mission cattle herds that roamed the hills in the late 1700s. The owner keeps them to graze down the grass and live out their days on the oak covered hillsides. By David Middlecamp

NO. 1: WHY ARE THOSE LONGHORNS GRAZING OFF HIGHWAY 101? HOW PICTURESQUE CATTLE GOT TO SLO COUNTY

“It was all based on aesthetics and beauty and sharing my cattle with the world,” the cattle owner told The Tribune. | Published July 6, 2024 | Read Full Story by Kelsey Oliver

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Glenn Clark gives himself a cool shower during work on a construction site in Paso Robles as the temperatures continued in the 100s as seen here on June 25, 1976. By Jeanne Huber

NO. 2: HOW DID SLO COUNTY DEAL WITH RECORD-BREAKING HEAT WAVE IN THE ’70S? THE CLASSIC WATER HOSE

In any era, water is the classic way to cool off, from the hose, a giant swamp cooler at the Mid-State Fair or a spray bottle. | Published July 6, 2024 | Read Full Story by David Middlecamp

Photographer Joe Dominguez, formerly of Cambria, has put 170 photos of North Coast people in his “Cambria Portrait Collection” online. He hopes people will enjoy seeing them and that they can help him fill in some blank names. By Photo courtesy of Joe Dominguez

NO. 3: PHOTOGRAPHER TOOK PORTRAITS OF ANYONE WHO VISITED HIS SLO COUNTY STUDIO. WHO ARE THEY?

Photographer Joe Dominguez has published the 170 images in an online gallery. | Published July 19, 2024 | Read Full Story by Kathe Tanner

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Atascadero High School was originally named Margarita Black Union High School. This view is from the May 6, 1924, Daily Telegram when the school building was new.

NO. 4: HOW STATE EARTHQUAKE REGULATIONS CHANGED THE FACE OF THIS SLO COUNTY HIGH SCHOOL

The school has been around for more than 100 years. | Published February 22, 2025 | Read Full Story by David Middlecamp

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People swim and boat at Atascadero Lake in a screenshot from the 1938 San Luis Obispo Chamber of Commerce film “Recreation Unlimited.” By San Luis Obispo County Chamber of Commerce

NO. 5: WHAT DID SLO COUNTY LOOK LIKE IN 1938? RARE TRAVEL FILM OFFERS A COLOR TOUR

The 55-minute film includes visits to various landmarks and a circle flight over San Luis Obispo County. | Published March 29, 2025 | Read Full Story by David Middlecamp

This aerial photo shows PG&E power plant was still in operation and had fuel oil tanks in 1984. This was before the boardwalk was built to Morro Rock. Also seen harbor mouth with jetties, and Highway 1 in foreground. Reporter Brooks Townes took a flight over coastal areas from Morro Bay to Avila Beach on Feb. 22, 1984.

NO. 6: SOAR OVER SLO COUNTY IN AERIAL PHOTOS OF COAST FROM MORE THAN 40 YEARS AGO

The photos show Morro Bay, Port San Luis and even Diablo Canyon ahead of its first official year of operation. | Published April 5, 2025 | Read Full Story by David Middlecamp

The summary above was drafted with the help of AI tools and edited by journalists in our News division. All stories listed were reported, written and edited by McClatchy journalists.