00747cam a22002291 4500 gs 17000474 DLC 20260227111322.0 750505s1917 onc 000 0 eng gs 17000474 (OCoLC)1312597 DLC NhD DLC premarc TN26 .A35 no. 19 TN957 .C6 Copy 2. Cole, Lionel Heber, 1883- Test of some Canadian sandstones to determine their suitability as pulpstones. By L. Heber Cole. Ottawa, Government printing bureau, 1917. v p., 1 l., 17 p. illus., 6 plates (1 fold., incl. front.) 25 cm. Canada. Mines Branch. Bulletin no. 19 Sandstone. 25808 25808