«Lost» documents about factory acts of the «Tobolsk archive» from the miller’s briefcases

Currently in three «copy» books of Tobolsk Archive which kept in SPF ARAN are absent documents which were dedicated to the history of mining in Siberia. It is supposed that they were extract by G. F. Miller for his work on the history of mining in Russia. Its location was unknown up to date. The authors of the article during the study of the materials on the history of the Kashtaks silver-refining trade ascertained that these «lost» documents are situated in one of the Miller’s «briefcases» RGADA now.