Statistics for occurrence #1 of “Chief of Bureau Crd” in article 1 of The Daily Dispatch: March 6, 1862., [Electronic resource]:

...ure. Few large farms are without as much decomposing matter as would make a hundred weight of nitre. Very respectfully, your ob't servant, A. Snowden Piggot, M. D., Chemist. Comdr. George Minor, Chief of Bureau Crd . and Hydr'y. Upon an examination of the above communications, it will be seen that the time required for the production of nitre (or saltpetre) from artificial beds is much greater than f...
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