He led his last field excursion to Anglesey at the age of eighty-six.

There is an active programme of talks, practical courses, and field excursions.

Between jobs, Morland went on hiking trips which he combined with field excursions in search of minerals.

She was also an equestrian and rode her horse to many of her field excursions.

Significant historic, literary, landscape, and architectural sites of interest are part of field excursions.

Upon his liberation Dolomieu resumed his scientific studies and field excursions.

There are also at least three field excursions to local gardens during the summer months.

The bus is en route to the same water and power plant, as a field excursion.

For obvious reasons, the quarry became one of the favorite sites visited on many field excursions .

Dozens of nonprofit environmental groups are vigorously working to preserve natural areas and selling field excursions to their members.