Purple martins guard gardens as natural pest control
A National Geographic note explains purple martins defend crops by eating vast insect numbers and prefer communal nesting. Early arrivals seek bachelor chambers, then return to establish a pecking order, while sparrows and starlings can displace them in housing.
MENTIONED IN THIS ARTICLE
National Geographic Society
America
Griggsville
Illinois
Saint Martin
Martinmas
United States
South America
Interstate Highways To Cost Over 100 Billion
AAA Texas and the Federal Highway Administration project that completing the national Interstate system may exceed 100 billion dollars. In Texas, 385 miles remain under construction and 26 of 2,769 open miles meet standards, with 150.8 million needed to finish current Texas work funded largely by federal fuel taxes.
MENTIONED IN THIS ARTICLE
Texas A&m University
Texas Engineering Extension Service
American Automobile Association
AAA
Wm. M. Coffey
Texas Division
Federal Highway Administration
Public Works Committee
U. S. House of Representatives
Coffey
Texas
Federal Highway Trust Fund
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Walter Cronkite
Jane Knox
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Aim
Serwoe
Tie Newnan
Melane
Cameron
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Usda Good
Chuck
California
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