... copyright in the collection of Project Gutenberg-tm electronic works. Nearly all the individual works in the collection are in the public domain in the United States. If an individual work is in the ... making casts and models; taking squeezes, rubbings, copies, and photographs. Drawing, shading, and coloring ethnographic charts. Practice in preserving, mounting, arranging, and classifying specimens. ... surveying, photographing, and plotting ancient remains. Plans for taking field-notes. Instruction in the proper methods of opening mounds, shell heaps, etc., and in excavating rock-shelters and...