On December 18, 1971, Capitol Reef National Park in the south-central Utah desert was signed into law. It is the home of several unusual geologic formations such as the Waterpocket Fold. In the Late Cretaceous approximately 70 to 50 million years ago, a monocline…
On November 14, 1792, geologist Charles Lyell was born. Although he trained as a lawyer, he had always been more interested in geology. Extensively travelled and a keen observer, he came to realize the marks of great prehistoric time were all around him. He…
On October 21, 1999, the Black Canyon of the Gunnison was designated a National Park in western Colorado. The long narrow canyon is a carving of about two million years of relentless river erosion through the soft as well as granite bedrock created by…
On February 20, 1902, American photographer and environmentalist Ansel Adams was born. As a youngster, he loved the outdoors and hiking through his home state, California. Adams joined the Sierra Club, spending summers in the glacial Yosemite Valley in Yosemite National Park in the…
On February 6, 1913, Mary Douglas Leakey was born. Interested in art and archaeology from an early age, she was deeply impressed by the prehistoric cave paintings she visited at several sites in France. Leakey distinguished herself as a scientific illustrator of ancient and…
On December 22, 1912, conservationist Claudia Alta “Lady Bird” Taylor Johnson was born. First Lady of the United States [1963-1969], Johnson led many initiatives over her lifetime involving environmentalism, conservation, and anti-pollution. Canoeing along tree-lined lakeshores, hiking nature trails, or nurturing wildflower meadows, Johnson…
On December 9, 1962, Petrified Forest National Park was established in Arizona. Erosion- and weather-sculpted badlands, buttes, and mesas add their own surprising layers of colour from sedimentary iron and sulfate minerals in painting the desert biomes at the north end of this national…
On December 5, 1952, a blanket of smog built up over the City of London, England. Smog, a word combination of smoke + fog, is a regrettable feature in modern cities. Although London had a history of famous fogs and smogs, these were especially…
On October 13, 1820, geologist and paleontologist Sir John William Dawson was born in Nova Scotia. His interest in geology involved him in a life of fossil hunting. As a youngster he built up an assortment of shale layer fossils and traded with others…
On September 28, 1961, the San Diego Underwater Photographic Society had its organizational meeting. SDUPS is one of the oldest organizations dedicated to the techniques and art of underwater photography. Members include beginning underwater photographers to semi- and full-time professionals. They are committed to…