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The intent of this guide is to provide information and guidance on how to effectively implement best management practices. It is based on the best information currently available; later publications may be issued to update this document. This guide represents the first step in helping farmers reduce PM10 emissions from farmlands located within the Maricopa County PM10 non-attainment area.
The intent of this guide is to:
• Provide agricultural operators with information and guidance on how to effectively implement individual best management practices.
• Inform the general public about the efforts Maricopa County farmers are implementing to improve air quality.
• Provide Natural Resource Conservation Districts and other farm organizations with background information regarding the agricultural PM10 general permit.
• Provide regulators with information and guidance on how to determine compliance with the agricultural PM10 general permit.
Mounted black and white photograph with a typescript annotation, "July 17 1914. Making the trip down Bright Angel trail at the Grand Canyon of Arizona on mules. Left to right: George H. N. Luhrs, Jr., unknown, George H. N. Luhrs, Emma Luhrs, Ella Luhrs. Bright Angel Trail to the Colorado River, at bottom on canyon."
Black and white print of the Grand Canyon with a typescript annotation, "July 17, 1914. Grand Canyon Arizona. On the left side you can see some of the mules taking people down the Bright Angel Trail to the bottom of the Canyon."
Black and white print with members of the Luhrs family. Typescript annotation, "July 17th, 1914. Going down Bright Angel Canyon of Arizona, Those on the mules, from bottom up: unknown, unknown, Ella Luhrs, Emma Luhrs, George H. N. Luhrs, unknown, Roger Hunt, George Luhrs Jr., Catherine Margarita 'Gretchen' (Mrs Geo H. N.) Luhrs standing beside George Luhrs Jr." Beside the trail, a sign displays, "Photo by Kolb Brothers."
Black and white print of six men and four women (unidentified) astride mules on a trail. One man sits on rocks beside the trail.
Black and white print of one man and three women (unidentified) on a trail.
Black and white mounted print with typescript annotation, "Dec 26, 1917, at the Grand Canyon of Ariz., on his honeymoon, Arthur "Cap" Taylor." Handwritten annotation, "San Diego, 1918."