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Beaver Dam (Maryland)

Cockeysville, MarylandQuarries in the United States
Man Jumping at Beaver Dam
Man Jumping at Beaver Dam

Beaver Dam is a flooded marble quarry in Cockeysville, Maryland that has been used as a swimming location since the 1930s. Currently, a 30-acre swim club is located there with two swimming pools, a volleyball court, picnic tables and grills, a creek, and snack house. The 40 foot deep freshwater quarry has floating platforms, two rolling logs, diving and jumping platforms, and a rope swing.The quarry began operation in the 19th century and much of the labor was that of Irish immigrants using hand drills, hammers and chisels. In 1878, Hugh Sisson acquired the property and began using the latest equipment available: steam powered derricks, shovels, and diamond bit drills. Stone was loaded onto wagons and pulled by oxen to the nearby Northern Central Railway in Cockeysville until the quarry site itself was connected to the rail in 1866. The dolomitic marble, known to geologists as the Cockeysville Marble, from the quarry was used widely within the eastern United States, including the Washington Monument in Baltimore and the one in Washington, D.C.

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Beaver Dam (Maryland)
Beaver Dam Road,

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Latitude Longitude
N 39.478888888889 ° E -76.656944444444 °
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Beaver Dam Swim Club

Beaver Dam Road
21031 , Hunt Valley
Maryland, United States
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Man Jumping at Beaver Dam
Man Jumping at Beaver Dam
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DigiBarn Computer Museum
DigiBarn Computer Museum

The DigiBarn Computer Museum, or simply DigiBarn, is a computer history museum in Boulder Creek, California, United States. The museum is housed in a 90-year-old barn constructed from old-growth Redwood in the Santa Cruz Mountains, which is adjacent to Silicon Valley. It was co-founded by Bruce Damer and Allan Lundell on May 7, 2001. The primary focus of the museum's collection is on the birth and evolution of personal, interactive computing, starting with the LINC (1962), considered by some to be the first true personal computer, and leading on up through the homebrew microcomputer revolution of the 1970s, the propagation of personal computing to homes and businesses in the 1980s and the spread of networked computing in the 1990s. The Digibarn does have a few large machines on display such as a Cray-1 supercomputer. One notable point is that a large number of the Digibarn artifacts are available to visitors in a hands-on fashion, allowing them to boot up, load software and interact with the machines. The Digibarn collection has mainly been donated by individuals and companies in nearby Silicon Valley and around the world. The Digibarn has a major focus on the legacy of Xerox and the birth of the graphical user interface with a large collection of Apple products, although other historic computer systems are featured, including the Atari 400, Osborne 1, Kaypro II and the IBM 5150 (IBM PC). As of December 2021, most of the collection is on a long-term loan at the System Source Computer Museum.

Historical Society of Baltimore County

The Historical Society of Baltimore County (HSBC) was founded in 1959 with the goal of preserving, interpreting, and illustrating the history of Baltimore County for the benefit of present and future generations of Marylanders, and is a resource for those interested in researching both local and family history. As the HSBC describes it, they "continually accomplish" their mission "through the production of presentations, lectures, workshops, entertaining educational publications, historical tours, and exhibits." Centrally located in Cockeysville, Maryland, the Society operates out of the Agriculture Building, the former Baltimore County Almshouse, which was built in 1872 and used to house the poor and mentally ill of Baltimore County until 1958.A nonprofit organization, the Society maintains a library and research facility. Since 1966, the Society has published History Trails, a county history journal which the Society defines as "semi-academic" and a "popular history publication."From 2014 to 2018, HSBC received an annual $12,000 operating grant from the Baltimore County Executive and Baltimore County Council, which are awarded to "organizations whose programs demonstrate significant impact on the quality of life of Baltimore County residents." In 2018, an African American Heritage Preservation Program Grant workshop, for the Maryland Historical Trust, was held at the HSBC. It also partners with other museum organizations for programming.