The citation is ambiguous. It may mean:
30 Stat. 423 (Chapter 369)
AN ACT to amend "An act to provide the times and places for holding terms of the United States courts in the States of Idaho and Wyoming," approved.July fifth, eighteen hundred and ninety-two, as amended by the amendatory act approved November third, eighteen hundred and ninety-three. June 1, 1898 423
Link is to an internal page within a statute beginning on page 423.
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30 Stat. 423
U.S. Statutes at Large
PDF - https://govtrackus.s3.amazonaws.com/legislink/pdf/stat/30/STATUTE-30-Pg423.pdf
also:
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