The Water Resources Collections and Archives (WRCA) was founded in 1957 when a special act of the California Legislature established the California Water Resources Center to function as a University-wide organized research unit dealing with the state's water resources problems. UC Berkeley coastal engineers and professors Morrough P. O'Brien and Joe W. Johnson are primarily responsible for establishing the Archives on the Berkeley campus. The Archives focuses on collecting material pertinent to California and the West. The collection consists of over 135,000 technical reports, 1,500 specialized newsletters, 5,000 maps and videos. Many of these materials are unique and cannot be found elsewhere. WRCA's holdings are represented in the Melvyl Catalog and the Online Archive of California.