Santa Cruz County History - Articles


Browsing Local History Articles tagged "mining"

Since the 1860s, geologists had been confidently predicting that there was oil on the North Coast. The early years were ... [Read more]

Blessed with a picturesque mountain setting, abundant natural resources, and an equitable climate, the San Lorenzo Watershed has long attracted ... [Read more]

The enormous stands of virgin timber found in what would become Santa Cruz County attracted entrepreneurs to the area as ... [Read more]

he deposits of asphaltic and bituminous rock in Santa Cruz County have long been known and utilized. The material is ... [Read more]

There are extensive stretches along the coast of California where the heavier constituents of the beach sands have been concentrated ... [Read more]

The Laguna Limekilns: Bonny Doon, by Robert W. Piwarzyk
Two known limekiln sites in the area have been referred to as "the Bonny Doon kilns." One (the subject of ... [Read more]

Cement is the most important single structural material in the mineral output of California. As a cement producer, the state ... [Read more]

Up to the present time the clay deposits in Santa Cruz County have been only superficially studied. Common clays, suitable ... [Read more]

Several small veins of lignite coal have been found in Santa Cruz County. Prospecting for coal north of Watsonville was ... [Read more]

Gold occurs in Santa Cruz County in auriferous black sand deposits, in placer deposits in a number of creeks and ... [Read more]

Auriferous beach sands are found for miles along the coast of Santa Cruz County, and spasmodic attempts have been repeatedly ... [Read more]

Granite has been quarried from Ben Lomond Mountain in the past. The rock, which is classified as quartz diorite, is ... [Read more]

The Laguna Limekilns: Bonny Doon, by Robert W. Piwarzyk
Thomas Bull (sometimes shown as Bohl) bought 450 acres in 1865 and began producing lime in 1866. The following year ... [Read more]

This company utilizes the black sand (magnetite) accumulated on the ocean beach, for producing sponge iron, alloy steel and briquetted ... [Read more]

The Laguna Limekilns: Bonny Doon, by Robert W. Piwarzyk
The purpose of this informal group is to study, understand, and teach the history of the lime industry in the ... [Read more]

The Laguna Limekilns: Bonny Doon, by Robert W. Piwarzyk
The Laguna limekilns and quarries are located in Santa Cruz County, in the Santa Cruz mountains, in Bonny Doon, California, ... [Read more]

The Laguna Limekilns: Bonny Doon, by Robert W. Piwarzyk
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Lime, by Henry G. Hubbard
The burning of lime was one of the earliest industries established in Santa Cruz County, the first kiln having been ... [Read more]

The burning of lime is one of the earliest industries established in Santa Cruz County, the first lime kiln having ... [Read more]

The Laguna Limekilns: Bonny Doon, by Robert W. Piwarzyk
It comes naturally in many forms. It comes in shades of white, yellow, green, brown, red, grey, and blue. It ... [Read more]

The Laguna Limekilns: Bonny Doon, by Robert W. Piwarzyk
The presence or absence of firebricks at an industrial site, and the names found on these bricks, is revealing. [Read more]

The Laguna Limekilns: Bonny Doon, by Robert W. Piwarzyk
Named or branded bricks as seen, photographed, and/or collected in Santa Cruz, California from 1975 to 1996. List revised 17 ... [Read more]

The Laguna Limekilns: Bonny Doon, by Robert W. Piwarzyk
In California, lime production techniques arrived from at least three directions: from the north by the Russians, from the south ... [Read more]

Limestone, by Henry G. Hubbard
This company was organized in 1922 and took over the old Caplatzi quarry which had been operated on a small ... [Read more]

This property, formerly known as the Thurber Quarry, contains 23 acres, situated two miles northwest of Santa Cruz, adjacent to ... [Read more]

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In an effort to develop the industrial future of Santa Cruz, and recogniz[ing] the importance of building our industries from ... [Read more]

Although several small mineral springs occur singly and in groups within Santa Cruz County, no mineral water is bottled or ... [Read more]

During the past year moulding sand has been added to the list of commercial minerals produced in Santa Cruz County. [Read more]

There has been no commercial production of petroleum in Santa Cruz County, although small seepages of crude oil have been ... [Read more]

Except at the plant of the Pacific Limestone Co., where a small tonnage of a siliceous dike rock is sorted ... [Read more]

Except at the plant of the Pacific Limestone Products Company [more information in the article on limestone] where a small ... [Read more]

The California Powder Works, situated on the San Lorenzo River two and a half miles north of the city of ... [Read more]

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Characteristics of Floods on the San Lorenzo River

The San Lorenzo River drains a watershed of approximately 138 square miles, and drops from an elevation of 2900 ft. to sea level in its 22 mile length. (The first 2000 ft. drop occurs in the first three miles.) To quote ..." [More]

Excerpted from Floods and Flood Control on the San Lorenzo River in the City of Santa Cruz by Daniel McMahon