Mr. Samudosky is a registered Maine whitewater rafting guide and continues to lead excursions.

Sue Hardy, of Manchester, who has been leading major excursions since 1978, said: "It takes a certain mentality to lead and to participate.

He led excursions to the remnants of the camps as well as study circles for years and advises students and researchers.

Before the border was settled, both sides led armed excursions into the disputed areas, and Spain began increasing the number of troops stationed in Texas.

Steve Nicklas, a paleontologist, leads the weekend and one-week excursions from Bowman, S.D.

As a show of force Henrys led excursions from Khénifra to El Herri on 19 and 20 November.

The Archaeological Travel Service, a tour company on Easter Island, leads excursions of three to eight days.

From Uppsala, Linnaeus led regular excursions into the countryside, with up to 300 students at a time.

Activities Brando Boutet doesn't usually lead excursions, but he'll set you up with someone; his brother and some friends run Hiking Tours, a guide service.

Guides are scientists and naturalists who lead excursions into remote areas of the Amazon jungle, sometimes as far as 200 miles from Manaus.