MANUAL. PART. XII. CHAPTER. 2. are properly controlled. In some agt;tances, a combination of two types may Rubber tired ... CBR (12) w GW Gravel or sandy grave rubber well-graded l wheeled 125-lUO 60-80 300 or more GRAVEL GP Gravelanbsp;...
|Title||:||Engineering manual for War department construction ...|
|Author||:||United States. Army. Corps of Engineers|