Just released is an ambience sound effects library of a John Deere Excavator tearing down a club house building. The combined 7 stereo wave files is just over 1 hour & 21 minutes long, all in 24 bit resolution, 96kHz samples rate. Single wave files are available for purchase. For details and to purchase these sounds, go to http://www.watsonwu.com/ambience-urban/
People have asked where certain older blogs are kept. Do a Search on the right side for whatever I may have published.