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Biology and biological control of dalmatian and yellow toadflax
Biology and biological control of purple loosestrife
Techniques and equipment for wilderness travel with stock
National oceanographic program, fiscal Year 1967
The use of aerial photography to manage riparian-wetland areas
National plan for ocean surveys
Materials and supplies for management of wildlife damage to trees
Summary of technical testimony in the Colorado Water Division 1 Trial : concerning the application for water rights of the United States of America f…
Using mating disruption to manage gypsy moth : a review
Backcountry road maintenance and weed management