Water-quality assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland : sources, characteristics, anaylsis, and limitations of nutrient and suspended-seditment data, 1975-90 /

"National Water-Quality Assessment Program"

Documentation for DFASUB--a program for the solution of simultaneous implicit differential and nonlinear equations,

Mode of access: Internet.

Recrystallization and grain growth characteristics in zirconium and zirconium-tin alloys /

"Contract AT-30-1-GEN-366."

Water-quality and fluvial-sediment characteristics of selected streams in northeast Kansas /

Mode of access: Internet.

Nonlinear differential equations and nonlinear oscillations : final report /

At head of title: Office of Naval Research, Contract NONR-1858(04), Project NRO43-942.

A technical summary and compilation of characteristics and specifications on steep-gradient aircraft; [Project Hummingbird, technical report]

Mode of access: Internet.

An experimental treatise on optics : comprehending the leading principles of the science, and an explanation of the more important and curious optical instruments and optical pheonomena : being the third part of a course of natural philosophy : compiled for use of the students of the university at Cambridge, New England /

1 l. errata wanting.

1980 census of population and housing : summary characteristics of governmental units and standard metropolitan statistical areas : Washington.

"PHC80-3-49."

1980 census of population and housing : summary characteristics for governmental units and standard metropolitan statistical areas : Tennessee.

"PHC80-3-44."

1980 census of population and housing : summary characteristics for governmental units and standard metropolitan statistical areas : Alabama.

"PHC80-3-2."

1980 census of population and housing : summary characteristics of governmental units and standard metropolitan statistical areas : Virginia.

"PHC80-3-48."

Thermal properties and heat transfer characteristics of marsh grapefruit

Bibliography: p . 29.

Runoff and water-quality characteristics of surface-mined lands in Illinois /

Mode of access: Internet.

Heat-transfer and friction-flow characteristics of cylindrical parallel rods with transverse cylindrical spacers /

Includes bibliographical references (p. 15)

Demographic and socio-cultural characteristics: Papago Indian Reservations, Arizona

Mode of access: Internet.