PT  - JOURNAL ARTICLE
AU  - Orton, Edward
TI  - On the occurrence of a quartz bowlder in the Sharon coal of northeastern Ohio
AID  - 10.2475/ajs.s3-44.259.62
DP  - 1892 Jul 01
TA  - American Journal of Science
PG  - 62--63
VI  - s3-44
IP  - 259
4099  - http://www.ajsonline.org/content/s3-44/259/62.short
4100  - http://www.ajsonline.org/content/s3-44/259/62.full
SO  - Am J Sci1892 Jul 01; s3-44