Recent work by UC Santa Barbara geographers relied on decades of aerial photographs to record historic sand dune disappearance along the California coast. Turns out, many of the photos supporting the research work were disappearing as well. Headed up by professor Ian Walker’s SANDLab, much of the dune research relied on UCSB Library’s Special Research Collections (SRC) archive of irreplaceable aerial photographs dating back 100 years. Many of th…