Water

Postcard picturing the Water Gap from the Hawthorne Inn on Mount Pocono in Pennsylvania, addressed to former president Harry S. Truman from Walter von Broock, Sparta, New Jersey, 9/5/54. Part of a postcard booklet containing eighteen postcards. Copyright 1937.

Postcard picturing Promontory View, Delaware Water Gap, Pennsylvania addressed to former president Harry S. Truman from Walter von Broock, Sparta, New Jersey, 9/5/54. Part of a postcard booklet containing eighteen postcards. Copyright 1937.

Postcard picturing Upper Bushkill Falls in Bushkill, Pennsylvania, addressed to former president Harry S. Truman from Walter von Broock, Sparta, New Jersey, 9/5/54. Part of a postcard booklet containing eighteen postcards. Copyright 1937.

Postcard picturing a viaduct on Lackawanna Trail leading to Delaware Water Gap, Stroudsburg, addressed to former president Harry S. Truman from Walter von Broock, Sparta, New Jersey, 9/5/54. Part of a postcard booklet containing eighteen postcards. Copyright 1937.

Postcard picturing Bushkill Falls, the "Niagara of Pennsylvania," addressed to former president Harry S. Truman from Walter von Broock, Sparta, New Jersey, 9/5/54. Part of a postcard booklet containing eighteen postcards. Copyright 1937.

Postcard picturing beautiful Delaware Water Gap, Pennsylvania, addressed to former president Harry S. Truman from Walter von Broock, Sparta, New Jersey, 9/5/54. Part of a postcard booklet containing eighteen postcards. Copyright 1937.

Postcard picturing a bear and the slogan "I Can't Bear to Leave the Delaware Water Gap, Pa." addressed to former president Harry S. Truman from Walter von Broock, Sparta, New Jersey, 9/5/54. Part of a postcard booklet containing eighteen postcards. Copyright 1937.

Postcard picturing the Indian Profile Rock on Mount Tammany, Delaware Water Gap, Pennsylvania addressed to former president Harry S. Truman from Walter von Broock, Sparta, New Jersey, 9/5/54. Part of a postcard booklet containing eighteen postcards. Copyright 1937.

Rangers with Lyle Watts, center with hand on hip, examine lysimeters in San Dimas Experimental Forest, California. A lysimeter measures the amount of water lost to evapotranspiration in a certain area of soil. Evapotranspiration amounts are the sum of the amounts of water lost through evaporation and transpiration of the plants.

Bucket on rope for drawing water from well in Korea. This was in a group of pictures relating to doing a census in Korea.