SAN FRANCISCO (KGO) -- People clearly partied hard at Outside Lands this year. More than 300 festival-goers lost their ID cards last weekend at San Francisco's Golden Gate Park.
The lost and found contains hundreds of other items: phones, car keys, handbags, clothes even a graphing calculator.
RELATED: Outside Lands Music Festival includes cannabis sales for first time
Outside Lands has posted a list of unclaimed items online, where owners can file a claim.