Z^rAFvYLAXD GEOLOGICAL SURVEY 41 



1834. 



DucATEL, J. T., and Alexaxder, J. H. Eeport ou the Projected 

 Survej' of the State of Maryland, pursuant to a resolution of the Gen- 

 eral Assembly. 8vo. 39 pp. Annapolis, 1834. Map. 



Md. House of Delegates, Dec. Sess., 1833, Svo, 39 pp. 



Another edition, Annapolis, 1834, Svo, 58 pp., and map. 



Another edition, Annapolis, 1834, 8vo, 43 pp., and folded table. 



Amer. Jour. Sci., vol. xxvii, 1835, pp. 1-38. 



1835. 

 Conrad, T. A. Observations on a portion of the Atlantic Tertiary 

 Region. 



Trans. Geol. Soc, Pa., vol. i, part 2, 1835, pp. 335-341. 



Observations on the Tertiary Strata of the Atlantic coast. 



Amer. Jour. Sci., vol. xxviii, 1835, pp. 104-111, 280-282. 



DiCATEL. J. T. Geologist's report" 1S34. 



• Another edition. Eeport of the Geologist to the Legislature 



of Maryland, 1834, n. d. 8vo, 50 pp. 2 maps and folded tables. 



DucATEL, J. T., and Alexander, J. H. Eeport on the New Map of 

 Maryland, 1834, [Annapolis] n. d. 8vo, '59, i, pp. Two maps and one 

 folded table. 



Md. House of Delegates, Dec. Sess., 1834. 



1836. 

 DrcATEL. J. T. Eeport of tlic Geologist, n. d. Svo, pp. 35-84. 

 Plate. 



Separ.itc pulilieation (soc Ducatfl and Alexander). 



Duc.iTEL, J. T., and Alexander, J. H. Eeport on the Xcw Map of 

 Maryland, 1835. Svo, 84, 1 pp. [AnnajDolis. 1S3G.] 

 Md. Pub. Doc, Dec. Sess., 1835. 

 Another edition, 96, 1 pp. and maps and plate. 

 Engineer's Report, pp. 1-34; Report of the Geologist, pp. 35-84. 



Eeport of the Engineer and Geologist in relation to the Xew 



Map to the Executive of Maryland. 



Md. Pub. Doc, Dec Sess., 1835 [Annapolis, 1836], 8vo, 84, 1 pp., 6 maps 

 and plates. 



(Rev.) Amer. Jour. Sci., vol. xxx, 1836, pp. 393-394. 



Jour. Franklin Inst., vol. xviii, n. s., 1836, pp. 172-178. 



Eogers, Wm. B. Eeport of the Geological Eeconnoissance of the State 

 of Virginia. Wm. B. Eogers. Phila., 1836. 143 pp. Plate. 



