My search results from State Library of Oregon Digital Collections

Add or Restrict Keywords

Use these options to add or remove words from your search:

AND - the term must be included in any item returned.

OR - the term may be included in any item returned, but does not have to be present. Always relates to the previous keyword/s.
*Cannot follow after NOT.

NOT - the term must not be included in any item returned. Always refers only to this keyword.
*Cannot be followed by OR

To remove a keyword – click X.

To return to your original search terms – click Clear.

Update search

Clear

Select Item

A rotating flighted cylinder for solid-liquid separation and biological waste treatment

Item Type: State PublicationDate: 1976-07-31 Collection: Oregon State University

Select Item

A scrubber to reduce livestock confinement building odors

Item Type: State PublicationDate: 1978 Collection: Oregon State University - Extension Service

Select Item

An analysis of water quality data in Tualatin River tributaries with three different land uses

Item Type: State PublicationDate: 1964-04-30 Collection: Oregon State University - Extension Service

Select Item

Irrigation management practices checklist for Oregon

Item Type: State PublicationDate: 1996 Collection: Oregon State University - Extension Service

Select Item

Late winter 1992 sampling for water quality in three stream segments of the Tualatin River Basin, Oregon

Item Type: State PublicationDate: 1992-12-31 Collection: Oregon State University - Extension Service

Select Item

MAC: manure application calculator (pilot) : application of animal manure and other waste materials to cropland in order to obtain maximum economic benefit while protecting the surface and groundwater quality

Item Type: State PublicationDate: 1992 Collection: Oregon State University - Extension Service

Select Item

Predicting the performance of feedlot control facilities at specific Oregon locations: project completion report for a simulation model to evaluate alternative means of feedlot impoundment and disposal

Item Type: State PublicationDate: 1975-07-31 Collection: Oregon State University

Select Item

The historical Tualatin River Basin

Item Type: State PublicationDate: 1993-09-30 Collection: Oregon State University - Extension Service

Select Item

The use of waste heat in a system for animal waste conversion with by-product recovery and recycling: project completion report

Item Type: State PublicationDate: 1975-09-30 Collection: Oregon State University

Filter by

A rotating flighted cylinder for solid-liquid separation and biological waste treatment

A scrubber to reduce livestock confinement building odors

An analysis of water quality data in Tualatin River tributaries with three different land uses

Irrigation management practices checklist for Oregon

Late winter 1992 sampling for water quality in three stream segments of the Tualatin River Basin, Oregon

MAC: manure application calculator (pilot) : application of animal manure and other waste materials to cropland in order to obtain maximum economic benefit while protecting the surface and groundwater quality

Predicting the performance of feedlot control facilities at specific Oregon locations: project completion report for a simulation model to evaluate alternative means of feedlot impoundment and disposal

The historical Tualatin River Basin

The use of waste heat in a system for animal waste conversion with by-product recovery and recycling: project completion report