Mercury's surface in "enhanced color," a color scheme created to emphasize color differences. This is not what Mercury would look like to the human eye, but by applying mathematical analysis to images, color differences can be accentuated beyond those visible to a person.
Mount Rushmore National Memorial under construction.
The workers had to endure conditions that varied from blazing hot to bitterly cold and windy. Each day they climbed 700 stairs to the top of the mountain to punch-in on the time clock. Then 3/8 inch thick steel cables lowered them over the front of the 500-foot face of the mountain in a "bosun chair." Despite the dangers, no one was killed during the project.
Otters in Glacier Bay National Park and Preserve, Alaska.
The sea otter population of Glacier Bay has increased dramatically in the past 20 years. Ecologists consider sea otters a keystone species here. Otters consume vast quantities of clams, urchins, crabs, and other invertebrates and their presence creates ripples through the ecosystem. NPS photo.
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With more than 80% of Americans living in urban areas, urban parks are more important than ever. The father of American landscape architecture, Frederick Law Olmsted, said of urban parks:
It is one great purpose of the Park to supply to the hundreds of thousands of tired workers, who have no opportunity to spend their summers in the country, a specimen of God's handiwork that shall be to them, inexpensively, what a month or two in the White Mountains or the Adirondacks is, at great cost, to those in easier circumstances.
Strickland Lauds Agreement on Land Conveyance in Grand Teton National Park
Office of the Secretary
Last edited 4/25/2016
WASHINGTON -- Assistant Secretary of the Interior for Fish and Wildlife and Parks Tom Strickland commended the Wyoming Board of Land Commissioners for approving an agreement to convey approximately 1,400 acres of state-owned land within Grand Teton National Park to the department in exchange for an appraised value of approximately $107 million.
“By entering into this agreement, Wyoming is ensuring the conservation of these lands as part of Grand Teton National Park while providing revenue to support state school systems,” Strickland said. “This is an agreement in which everyone -- the park, the state, and the citizens of Wyoming -- comes out ahead.”
Wyoming has owned the lands within the park since 1890 when it gained statehood and the federal government granted it lands to be held in trust to provide revenue for its schools. Approximately 1,366 acres of these school trust lands were subsequently included as inholdings within the boundaries of Grand Teton National Park when the park was established in 1950. In addition, the State of Wyoming also holds title to 40 acres of subsurface mineral rights within the park.
The state-owned land within the park has not generated much income for the schools, and Congress passed legislation in 2003 to allow the department to enter into a land conveyance agreement with the state.
The completion of the land acquisition is contingent upon congressional appropriations and possible additional authorizing legislation.