USDA Plant Hardiness Zone Map

Resources, Reports, Tools, Lists, and Full Text Documents
Gardening–United States
Source: USDA/The United States National Arboretum
USDA Plant Hardiness Zone Map
Click on any area of this interactive version of the USDA’s Plant Hardiness Zone Map to display a close-up view of that region.
See also: Cold Hardiness Ratings for Selected Woody Plants

Think Tank Documents–Database
Source: The Heartland Institute
PolicyBot
“PolicyBot is the Internet’s most extensive clearing-house for the work of free-market think tanks, with more than 12,500 studies and commentaries from over 350 think tanks and advocacy groups. To search the PolicyBot database, navigate through the topic list on the left, or use the form below to specify keywords or the name of an author or publisher. You can also search for a specific document number if you know it, or for all documents added during a specified time period.”

Air Power–Bibliography
Source: Air University Library
Air Power Doctrine (Updated)
“Basic air doctrine deals with the phenomenon of flight, with the new relationships that exist as a result of hitherto unrealized speeds, range, mobility, and flexibility, and their application to the principles of war, such as those of mass, dispersion, and surprise, as well as to their application to the principles of peace, such as those of friendly association, distribution of economic wealth, and rendering of service.” Extensive biliography of books, periodicals, Internet resources includes these sections:
- General Information: Basic Doctrine Manuals
- General Information: Bibliographies
- Airpower Theory
- History and Development
- World War I /Post-War Period
- World War II /Post-War Period
- Korean War/Post-War Period
- Vietnamese Conflict
- Airpower Doctrine in the Late 1970’s and 1980’s
- The Gulf War and Doctrine in the 1990’s
- Into The 21st Century

Smokefree Ordinances–United States
Source: American Nonsmokers’ Rights Foundation
Smokefree Ordinance Lists
“The ANR Foundation is pleased to announce the October 2004 quarterly update to the lists of U.S. municipalities and states with 100% smokefree laws. Please note that these smokefree lists reflect only those laws that are in effect and that result in entirely smokefree enclosed workplaces, restaurants, and/or bars without exemptions. Laws that allow for separate ventilation, size exemptions, or smoking rooms are not included on the ANR Foundation 100% smokefree lists. There are now 1,811 U.S. municipalities with some sort of local clean indoor air law, 336 of which provide 100% smokefree protection for private workplaces/government buildings, restaurants, and/or bars.” Lists in PDF format.

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