SUBSURFACE STRATIGRAPHY = STRATIGRAPHIE DE SUBSURFACEBERG TM; BERG TM; BERG TM; BERG TM; CROWL GH et al.1981; GUIDEB. ANNU. FIELD CONF. PA. GEOL.; ISSN 0375-5630; USA; DA. 1981; NO 46; PP. 5-9Article

SOIL SURVEY OF TIOGA COUNTY, PENNSYLVANIA = ETUDE PEDOLOGIQUE DU COMTE DE TIOGA EN PENNSYLVANIERAYBURN JAMES B; BRAKER WILLIAM L.1981; ; USA; WASHINGTON, DC:U. S. DEP. AGRIC., SOIL CONSERV. SERV.; DA. 1981-06; 95; BIBL. 11 REF.; 11 TAB. ; ILL.Book

TIOGA-HAMMOND FLOOD CONTROL PROJECT = PROJET DE LUTTE CONTRE LES INONDATIONS PAR LES BARRAGES DE TIOGA ET HAMMONDWILSHUSEN J PETER; WILSON D; BERG TM et al.WILSHUSEN J PETER; 1981; GUIDEB. ANNU. FIELD CONF. PA. GEOL.; ISSN 0375-5630; USA; DA. 1981; NO 46; PP. 77-90; ILL.Article

ECONOMIC GEOLOGY OF TIOGA AND BRADFORD COUNTIES = GEOLOGIE ECONOMIQUE DES COMTES TIOGA ET BRADFORDLUCE PB; EDMUNDS WE; BERG TM et al.EDMUNDS WE; LUCE PB; 1981; GUIDEB. ANNU. FIELD CONF. PA. GEOL.; ISSN 0375-5630; USA; DA. 1981; NO 46; PP. 57-74; 6 TAB. ; ILL.Article

GEOLOGY OF TIOGA AND BRADFORD COUNTIES, PENNSYLVANIA = GEOLOGIE DES COMTES TIOGA ET BRADFORD, PENNSYLVANIEBERG TM; CROWL GH; EDMUNDS WE et al.1981; GUIDEB. ANNU. FIELD CONF. PA. GEOL.; ISSN 0375-5630; USA; DA. 1981; NO 46; 162; BIBL. 205 REF.; ILL.Serial Issue

JOINT SPACING AS A METHOD OF LOCATING FAULTS = ESPACEMENT DES DIACLASES COMME METHODE DE LOCALISATION DES FAILLESPOHN HOWARD A.1981; GEOL. (BOULDER); ISSN 0091-7613; USA; DA. 1981-06; VOL. 9; NO 6; PP. 258-261; BIBL. 12 REF.; ILL.Article

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ROAD LOG = LOG ROUTIERBERG TM; CROWL GH; EDMUNDS WE et al.BERG TM; CROWL GH; EDMUNDS WE et al.1981; GUIDEB. ANNU. FIELD CONF. PA. GEOL.; ISSN 0375-5630; USA; DA. 1981; NO 46; PP. 103-162; 11 TAB. ; ILL.Article