Barricades and laminated signs were placed on roads and entrances to parking lots and trails on Tuesday after the government shutdown forced 90 employees of Point Reyes National Seashore to suspend their activities and return home for an indefinite number of days. Park-goers like this one ignored the notices, opting to visit the landscapes and monuments they either traveled here to see or which they visit regularly. Local business owners fear losses in revenue and are distributing maps and lists of alternative destinations. David Briggs