| ECONOMICS | |Research on Dust | | | | |Preventives and | | |Economic Investigations | | Road Binders | | | and Advice | |Concrete Investigations| | |Statistical Investigations| |Field Experiments | | |Legislative Investigations| |Inspection & Advice | | | and Advice | +-----------------------+ | |Lectures & Exhibits | +----------------------+ |Illustrations and | | | Models | | +--------------------------+ | +----------------------+----+------------------+-----------+ | | | | +-----------+----------+ +---------+-----------+ +---------+---------+ | | HIGHWAY CONSTRUCTION | | IRRIGATION | | DRAINAGE | | | AND | | | | | | | MAINTENANCE | |Utilization of Water | |Farm Drainage | | | | | Power and Appliance | |Drainage of Swamps | | |Post Road Construction| | Equipment | | and Wet Lands | | |Forest Road | |Flow of Water in | |Removal of Surplus | | | Construction and | | Ditches, Pipes, etc.| | Water | | | Maintenance | |Duty, Apportionment | |Field Experiments | | |Object Lesson Roads | | and Measurement | |Investigating and | | |Cooperative and | | of Water | | Developing | | | Experimental | |Customs, Regulations | | Equipment | | | Maintenance | | and Laws | |Inspection & Advice| | |Bridges & Culverts | |Drainage of Irri- | +-------------------+ | |Inspection & Advice | | gated Lands | | +---------+------------+ |Inspection & Advice | +-------------------+ | +---------------------+ | +---------+ +---------------+------+ | +-------------+ | RURAL | | |1st. District| | ENGINEERING | +-+ | | | | |Wash. | +-------------+ |Farm Water Supply | | |Ore., Idaho | |2nd District | |Drainage Disposal | | +-------------+ | | |Construction of Farm | +-----------------+Berkely, Cal.| | Buildings | | |Cal., Nev. | |Rural Engineering | | |Ariz., N. M. | | Problems Involving | | +-------------+ | Mechanical Principles| | | Traction Tests | | |Instrument Making | | | and Repairing |