The Password to Larkspur Lane delphiniums when a mysterious carrier pigeon lands in her yard. Nancy contacts the registry for the carrier pigeon. Meanwhile, housekeeper Hannah Gruen takes a fall and must be treated at the local orthopedist's office. Her attending physician, Dr. Spires, confides to Carson Drew and Nancy that he was forced to tend an elderly woman for her shoulder under peculiar circumstances: the driver of a car blindfolded him when they drove him there, so he wouldn't be able to guess her location, but the doctor believes their destination might have been someplace called Larkspur Lane. Events led him to believe the
Larkspur Creek Mining Company recalled in a 1914 newspaper article, “When we arrived at Larkspur, there was no one to meet us. The country was a wilderness, with wild geese in abundance." Baltimore Canyon (the Larkspur Creek subwatershed) was named for the timber sawmill the company had transported to Larkspur from Baltimore, Maryland by sailboat around Cape Horn in 1849. The sawyers denuded Mt. Tamalpais of old-growth redwoods in short order. Said Taylor in 1914, "I can picture the majestic redwoods that covered the flat where Larkspur stands today. Some of the trees were eight feet in diameter and lifted their immense