Port Dalhousie and the Thorold Railway pay roll for the months of June, July and August, 1855, signed by S.D. Woodruff. There is an envelope included with this document, Aug. 21, 1855

Port Dalhousie and the Thorold Railway pay roll for services of engineering and contingencies furnished for the months of June, July and August, 1855, signed by S.D. Woodruff. There is an envelope included with this document, Aug. 21, 1855.

This document is very badly burned, it includes: a schedule of construction, May 28, 1855 and value of work used for constructing the bridge crossing at Chippawa Creek, Oct. 1857

This document is very badly burned, it includes: a schedule of construction, May 28, 1855 and value of work used for constructing the bridge crossing at Chippawa Creek, Oct. 1857. It is signed by S.D. Woodruff (3 pages, handwritten). Almost all text is illegible, 1857

Note showing the return of time for the preliminary survey of the Port Robinson and Thorold macadamized road for March and April, 1855

Note showing the return of time for the preliminary survey of the Port Robinson and Thorold macadamized road for March and April, 1855.

Abstract of estimates given to Andrew Mains for ditching on the main drain of marsh lands for 1855 and 1856

Abstract of estimates given to Andrew Mains for ditching on the main drain of marsh lands for 1855 and 1856. This is signed by S.D. Woodruff, May 1, 1857.

Engineer services in the marsh lands drainage for the months of December, 1855 and January, February and March of 1856.

Engineer services in the marsh lands drainage for the months of December, 1855 and January, February and March of 1856. Signed by S.D. Woodruff, March 31, 1856.

Engineer services in the marsh lands drainage for the months of December, 1855 and January, February and March of 1856 to Frederick Holmes and Joseph Simpson

Engineer services in the marsh lands drainage for the months of December, 1855 and January, February and March of 1856 to Frederick Holmes and Joseph Simpson. Signed by S.D. Woodruff, April 1, 1856.

Camino crítico una aproximación algorítmica [por] Marco Antonio Burgos Valdés

UANL

Las relaciones industriales ante el tratado de libre comercio entre Canadá, México y los Estados Unidos [por] Manuel Antonio Vallecillo Matey

Tesis (Maestría en Ciencias de la Administración, con especialidad en Relaciones Industriales) U.A.N.L.

Ejército y empresa, breve estudio comparado [por] Antonio Gaona Rosete

Tesis (Maestría en Administración de Empresas, Especialidad en Recursos Humanos) U.A.N.L.

Análisis y rediseño de una prensa para la fabricación de tortillas por el método del elemento finito (por) Juan Antonio Martínez Moya

Tesis (Maestría en Ciencias de la Ingeniería Mecánica, con especialidad en Diseño) U.A.N.L.

Efecto de la calidad química del fierro esponja (HRD) sobre su mecanismo de fusión por Marco Antonio Herrera García

Tesis (Maestría en Ingeniería Química) U.A.N.L.

Aspectos psicosociales de los estudiantes de la Escuela de Medicina Veterinaria y Zootecnia de la UNACH ante la modernización [por] Pedro Antonio Ortíz Gutiérrez

Tesis (Maestría en Psicología Social) U. A. N. L.

Incidencia de los tumores de ovario en 14 años en el Hospital de Gineco-Obstetricia Número 23 de Monterrey, N. L. [por] Luis Antonio Cobos Azuara

Tesis (Especialidad en Ginecología y Obstetricia). U.A.N.L.

Caracterización fisico - químico y origen de los sólidos disueltos en el agua subterránea del Valle de San Luis Potosí; su relación con el sistema de flujo por Antonio Cardona Benavides

Tesis (Maestría en Ciencias, con especialidad en Hidrología Subterránea) U. A. N. L.

Zoogeografía y algunos indices biológicos de la ornitofau na del matorral desértico microfilo de Larrea Tridentata y Fouquieria splendens en el valle de Cuatrociénegas, Coahuila, México [por] Juan Antonio García Salas.

Tesis (Maestro en Ciencias con especialidad en manejo de Vida Silvestre ) U.A.N.L.