San Francisco Chronicle on MSN3mon
Park Fire map shows where blaze is burning, how close to Camp Fire perimeter
On Thursday morning, the Park Fire was 45,000 acres, and its southern edge was nearing the northern perimeter of where the ...
SourceSecurity9y
Laser scanning technology for perimeter protection, building security applications
Laser scanners deliver high level of accuracy even in a range of adverse conditions—such as rain, snow, glare, or low light—that often negatively impact the reliability of other perimeter security ...