351 



United States. Geological exploration of the 40th parallel. 



Report. D. 1-7: N. D. 1-7: P. 4, 5, 6. 

 United States, Geological survey. 



Annual report. D. 3-5, 8, 11: E. 1-13*, 14-22*, 23+: F. 3-25: I. U. 1 + : 

 L. P. 1+: N. D. 1 + : N. H. 2+: P. 2+: R. P. '80-'91: S. L. '67-'78: 

 T. H. 1,4-9, 14+. 

 Bulletin. E. 80-87, 90-97, 173, 177, 215, 217-222, 243: G. 400+ : I. U. 1 + : 

 L. P. 1*+: N. D. 1+: N. H. 1+: P. 1+: R. P. 1+: S. L. 1+: S. N. 

 1-273, 322-470, 472+. 

 Geologic folio.s. N. D. 1+: R. P. 1+. 



Mineral resources of the United States. D. '67, '68, '83-'88, '91, '92: E. 

 '82-'99, '08: I. U. '82: L. P. '66*+: N. H. '67, '68, '83-'93, P. '67, '68, 

 '70, '73, '74, '76, '82-'93, '96, '97, '00+: R. P. '67, '68, '83-'93: S. N. 

 '83-'93, '98+: T. H. '83-'88, '91-'93, '00+. 

 Monographs. E. 1-52+ : F. 25-48: I. U. 1-8, 10-49, 52+: L. P. 1*+: 

 N. D. 1+: N. H. 1-50, 52: P. 1 + : R. P. 1+: S. X. 1-48, 51, 52+: 

 T. H. 2, 3, 6, 8, 15-18, 20, 21, 23-31, 33-46, 49+. 

 Professional papers. F. 1-39: I. U. 1-68, 70, 72, 73, 75+: N. D. 1 + : P. 



1+: R. P. 1-43,48: S. N. 1 + . 

 Topographic atlas. R. P. 1-3. 



Water supply and irrigation papers. I. U. 1+: L. P. 1*+: N. D. 1 + : P. 

 1 + : R. P. 1 + : S. L. 1 + : S. N. 40-256, 261-280, 284+: T. H. 42+. 

 United States. Health, National board of. 



Report. F. '80, '82, '83: P. '79, '80, '83. 

 United States. Hydrographic office. 

 Bulletin. X. D. 1 + . 

 Charts. X. D. 1 + . 

 Xotices to mariners. X^. D. 1 + . 

 United States. Hygienic laboratory. See under United States. Public health 



and marine hospital service. Bureau of. 

 United States. Isthmian canal commission. 



Annual report. S. X. '07+: P. '05+. 

 United States. Life-saving service. 



Annual report. R. P. '84, '07+: S. N. '01 + . 

 United States. Lighthouse board. 



Annual report. R. P. '76, '77, '79, '81, '84+. 



