Drawings-All drawings are printed from digital files to preserve the fragile originals.If possible, include a printout of the photograph.
Make note of the Call Number and Item Number that appear under the photograph in the multiple-image display (e.g., HAER, NY,52-BRIG,4-2). Photographs-All photographs are printed from digital files to preserve the fragile originals. HABS/HAER/HALS materials have generally been scanned at high resolution that is suitable for most publication purposes (see Digitizing the Collection for further details about the digital images). Alternatively, you can purchase copies of various types through Library of Congress Duplication Services. Government images copied from other sources may be restricted. No known restrictions on images made by the U.S. Information, see "Rights Information" below and the Rights and Publish or otherwise distribute the material. Its collections and, therefore, cannot grant or deny permission to The Library of Congress generally does not own rights to material in Historic American Engineering Record (Library of Congress) Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey Building/structure dates: after 1250 Initial Construction. Unprocessed Field note material exists for this structure: N1276. The canals at Pueblo Grande are among the best preserved sections remaining. 
Only a few sections of Hohokam canals are left in the Salt River Valley due to urban development.
Significance: The Hohokam irrigation system in the Salt River Valley, which reached its peak between the years 12, was the largest prehistoric water supply system in the United States. Library of Congress Prints and Photographs Division Washington, D.C. Historic American Engineering Record, creator Title: Hohokam Irrigation Canals, Pueblo Grande Museum, Phoenix, Maricopa County, AZ
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