One hundred and fifty thousand documents — conference papers, technical articles, preprints and society proceedings — indexed and searchable in full text.
150,600Documents
2.24MPages
1871Earliest record
FIG. 1Underground haulage development. Photograph from the SME collection, reproduced with permission.
Announcements
AUG 26RETC 2025 proceedings are now indexed — 214 papers added to the tunneling collection.
AUG 11Full-text search now covers scanned volumes back to 1871.