GENERAL INDEX. 



Forms for specifications: Page. 



Broken stone for water-bound macadam 5 



Broken stone for bituminous macadam . 5 



Broken stone aggregate for large aggregate bituminous concrete 6 



Broken stone or sand for coarse and fine aggregate for large aggregate 



bituminous concrete 7 



Broken stone or sand for coarse and fine aggregate for Topeka type bitumi- 

 nous concrete 8 



Broken stone or gravel for coarse aggregate for Portland cement concrete 



base 9 



Broken stone for coarse aggregate for Portland cement concrete wearing 



surface 9 



Stone or gravel screenings for fine aggregate for Portland cement concrete 



base 10 



Combination of dustless screenings and sand for fine aggregate for Portland 



cement concrete wearing surface 11 



Stone block 12 



Broken slag for water-bound macadam 13 



Broken slag for bituminous macadam 14 



Broken slag aggregate for large aggregate bituminous concrete 14 



Broken slag for coarse aggregate for Portland cement concrete base 15 



Granulated slag for cushion 15 



Gravel for plain gravel roads 16 



Gravel aggregate for large aggregate bituminous concrete 17 



Gravel or broken stone for coarse aggregate for Portland cement concrete 



base 9 



Gravel for coarse aggregate for Portland cement concrete wearing surface- . 17 

 Gravel or stone screenings for fine aggregate for Portland cement concrete 



base 10 



Combination of dustless screenings and sand for fine aggregate for Portland 



cement concrete wearing surface 11 



Semi-gravel, top soil, or sand-clay aggregate for road surfacing 18 



Sand or broken stone for fine aggregate for large aggregate bituminous con- 

 crete 7 



Sand or broken stone for fine aggregate for Topeka type bituminous con- 

 crete 8 



Sand for sheet asphalt 19 



Sand for fine aggregate for Portland cement concrete base 19 



Sand for fine aggregate for Portland cement concrete wearing surface 20 



Combination of sand and dustless screenings for fine aggregate for Portland 



cement concrete wearing surface 11 



Grouting sand 20 



Sand for cushion 21 



Mineral filler 21 



Eoad oils for cold application „ 22 



Road oils for hot application 22 



Asphalt cements for use in bituminous macadam, bituminous concrete, 



and sheet asphalt, or as seal coat or poured joint filler 23 



Tars for cold application 24 



Refined tars for use in bituminous macadam and bituminous concrete, or 



as seal coat, or for hot application 25 



Refined tar for use as poured joint filler 25 



Portland cement 25 



Portland cement concrete for wearing surface 27 



Steel reinforcing rods 28 



Vitrified paving brick 28 



53 



