{"text_format":"2","workbook":"xls","n_sheets":1,"sheets":["report2"],"not_rendered":{"charts":0,"images":0,"macros":0,"external_links":1,"defined_names":1,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"run_cost":"one","rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"report2","index":0,"n_rows":20,"n_cols":5,"rows_kept":20,"cut":false,"hidden":false,"merged":[[0,2,0,3],[0,4,0,5],[1,2,1,3],[1,4,1,5],[2,2,2,3],[2,4,2,5],[3,2,3,3],[4,2,4,3],[5,2,5,3],[6,2,6,3],[16,2,16,3],[17,2,17,3]],"flags":["formulas_cached_only"]}
[null,"1.","Record Nr.",null,"UNINA9910708046103321"]
[null,null,"Autore",null,"Bastin Edson S (Edson Sunderland), <1878-1953, >"]
[null,null,"Titolo",null,"Economic geology of Gilpin county and adjacent parts of Clear Creek and Boulder counties, Colorado / / by Edson S. Bastin and James M. Hill"]
[null,null,"Pubbl/distr/stampa",null,"Washington : , : Department of the Interior, United States Geological Survey, , 1917"]
[null,null,"Descrizione fisica",null,"1 online resource (379 pages) : illustrations, maps + + 11 plates"]
[null,null,"Collana",null,"Professional paper ; ; 94"]
[null,null,"Soggetti",null,"Mines and mineral resources - Colorado - Boulder County"]
[{"$nulls":4},"Mines and mineral resources - Colorado - Clear Creek County"]
[{"$nulls":4},"Mines and mineral resources - Colorado - Gilpin County"]
[{"$nulls":4},"Geology - Colorado"]
[{"$nulls":4},"Geology"]
[{"$nulls":4},"Mines and mineral resources"]
[{"$nulls":4},"Colorado"]
[{"$nulls":4},"Colorado Boulder County"]
[{"$nulls":4},"Colorado Clear Creek County"]
[{"$nulls":4},"Colorado Gilpin County"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Includes bibliographical references and index."]