...readily. A chalky limestone which in a dry sea.son will not carry over 2 per cent of moisture as quarried may, in consequence of prolonged wet weather, show...limestones are confined almost entirely to certain Bull. 243—05 3 Limo tones. Clays am shales. Silica (SiOs) 1.72 0.86 0.56 0.40 63. 56 55.80 56. 30 60.00...

...readily. A chalky limestone which in a dry season will not carry over 2 per cent of moisture as quarried may, in consequence of prolonged wet weather, show...Geographic and geologic distribution in the United State«. — The chalks and chalky limestones are confined almost entirely to certain Bull. 243—05...

...readily. A chalky limestone which in a dry season will not carry over 2 per cent. of moisture as quarried, may, in consequence of prolonged wet weather show...This difficulty can, of course, be avoided if care lie taken in quarrying to avoid unnecessary exposure to water and, if necessary, to provide facilities...

...season will not carry over 2 per cent of moisture as (married may, in consequence of prolonged wot weather, show as high as 15 or 20 per cent of water....limestones are confined almost entirely to certain Bull. 243—05 3 Limestones. Clays and shales. Silica (SiO,) .. .. 1.72 1.63 6.59 0.86 .63 1.03 0.56 1.23...

...readily. A chalky limestone which in a dry season will not carry over 2 per cent of moisture as quarried may in consequence of prolonged wet weather show as...a supply of the raw materials during wet seasons. Origin of chalk. — The term chalk is properly applied to a fine-grained and usually very pure limestone,...

...readily. A chalky limestone which in a dry season will not carry over 2 per cent of moisture as quarried may in consequence of prolonged wet weather show as high as 15 or 20 per cent of wfater. This difficulty can of course be avoided if care be taken in quarrying to avoid unnecessary...

...moisture as quarried, may in consequence of prolonged wet weather show as high as fifteen or twenty per cent of water. This difficulty can of course be avoided if care be taken ia quarrying to avoid unnecessary exposure to water and. if necessary, to provide facilities for storing...

...moisture as quarried, may in consequence of prolonged wet weather show as high as fifteen or twenty per cent of water. This difficulty can of course be...a supply of the raw materials during wet seasons. COMPOSITION. In composition these chalks, or "rotten limestones," vary from a rather pure calcium carbonate,...

...moisture as quarried, may in consequence of prolonged wet weather show as high as fifteen or twenty per cent of water. This difficulty can of course be...a supply of the raw materials during wet seasons. COMPOSITION. In composition these chalks, or "rotten limestones," vary from a rather pure calcium carbonate,...

...A chalky limestone which in a dry season will not cany more than 2 per cent of moisture as quarried may, in consequence of prolonged wet weather, show...This difficulty can, of course, be avoided if care is taken in quarrying to avoid unnecessary exposure to water and, if necessary, to provide facilities...