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.
Every day someone like you becomes a wildland wildfire fighter, a teacher, a trail-builder, a museum curator, or a park ranger. Discover your opportunities in national parks. Come to play. Come to learn. Come to serve. Develop your environmental leadership skills. Find a job. Be the next generation to preserve and protect these great places.
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.
Establishes uniform procedures for the procurement and supply of personal property and nonpersonal services, including related functions such as contracting, inspection, storage, specifications, property identification and classification, transportation, and traffic management.
Establishes procedures for the use of available property, the disposal of surplus property, and records management.
Changes the classification of information reported for heritage assets and stewardship land in SFFAS No. 8 Supplementary Stewardship Reporting.
Reclassifies all heritage assets and stewardship land information as basic except for condition information, which is reclassified as required supplementary information.
Requires that Federal agencies disclose information about heritage assets and stewardship land as a note on the balance sheet, but without an asset dollar amount. Instead, the note disclosure must provide a description of major categories of heritage assets, physical units added and withdrawn during the year, a description of the methods of acquisition and withdrawal, and condition information. DOI museum collections are considered to be heritage assets.
Requires additional reporting disclosures regarding Federal agency stewardship policies and the relevance of heritage assets to the agency mission.