The winter tour schedule has gone into effect at Lehman Caves in the Great Basin National Park with five tours daily on week days. Two tours are offered on Saturdays and Sundays, said Al Hendricks, park superintendent.

Tours will be conducted on weekdays at 9 a.m., 11 a.m., 12:30 p.m. 2 p.m. and 4 p.m. Weekend tours are at 9 a.m. and 4 p.m. The numbers of tours will be increased on the Easter weekend next spring for the summer tourist season.The visitor center will be open through the winter from 8 a.m. to 5 p.m., except Thanksgiving, Christmas and New Year's. Tour tickets are available at the center.