83 20180818 lake selmac milfoil weed abatement pdf newsarticles 7d1ccfd51ced294d367c6f3c60c43b4c a13e66c434587f05b7f1cb35d04d69a87c2027baaea5364311ebba494ba85013 166×300 _db8upr3rsalk thumb jpg 2018 08 19 06 37 27 news articles 15 0 1000 01 pdf application num_pages analyze pdf_pages pdf_2text timings