biological association of the u.k., which the finders did. the bottle was released between 1904 and 1906 as part of a study of sea currents. one schilling was offered as a reward for returning the message and was sent to the couple who found it. the guinness book of world records is investigating to see fit is the oldest message in a bottle to be recovered. health officials in california are investigating a second possible new case of a very old and deadly disease at one of this country's most popular tourist destinations. correspondent claudia cowen reports tonight from yosemite national park. >> along with other sites at yosemite national park, visitors are seeing signs warning of plague. within the past two months, two visitor ors staying at the catch ground were diagnosed with the disease. both are being treated with antibiotics and are expected to