Effects of no-till and fall plowing on pesticide movement in runoff and tile drainage /

Mode of access: Internet.

The minimal covering problem and automated design of two-level and/or optimal networks /

Vita.

Report on improvement of the Upper Mystic River and Alewife Brook by means of tide gates and large drainage channels /

One folded map in pocket.

Paving and surfacing operations.

"February 1966."