A Chemical Investigation of Lake Dallas to Determine the Factors Influencing Plankton Growth.

A Chemical Investigation of Lake Dallas to Determine the Factors Influencing Plankton Growth.

Date: August 1939
Creator: Welch, Herschel
Description: A study to determine the organic content of Lake Dallas, and study the influence on plankton growth.
Contributing Partner: UNT Libraries
A Chemical Analysis of Yellow Dent Corn

A Chemical Analysis of Yellow Dent Corn

Date: August 1939
Creator: Hamby, R. B.
Description: This study examines history, climate, and distribution in relation to the chemical content of yellow dent corn.
Contributing Partner: UNT Libraries
Uniomerus tetralasmus, Specimen #1237

Uniomerus tetralasmus, Specimen #1237

Date: February 25, 1975
Creator: Pettit, J.
Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be very-long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Toxolasma parvum, Specimen #1119

Toxolasma parvum, Specimen #1119

Date: February 25, 1975
Creator: Pettit, J.
Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thick shell; single looped beak sculpturing; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be very-long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Uniomerus tetralasmus, Specimen #1277

Uniomerus tetralasmus, Specimen #1277

Date: January 28, 1974
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Uniomerus tetralasmus, Specimen #1276

Uniomerus tetralasmus, Specimen #1276

Date: October 24, 1973
Creator: Pettit, J.
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
A Correlation of Humus with Water Content and Crop Rotation in San Saba and Denton Clays, Denton County, Texas

A Correlation of Humus with Water Content and Crop Rotation in San Saba and Denton Clays, Denton County, Texas

Date: August 1939
Creator: Culwell, John Walton
Description: A study of the humus content and the water content of San Saba clay and Denton clay. Studies show that the physical properties of soil are conducive to moisture retention and the availability of moisture to plants.
Contributing Partner: UNT Libraries
Correlation of Humus and Water Content on Saba Clay, Denton, Texas

Correlation of Humus and Water Content on Saba Clay, Denton, Texas

Date: August 1938
Creator: Wilson, Clyde Byron
Description: This study is an attempt to determine the relationship between humus and the water found in it and how both effect soil in Denton county, Texas.
Contributing Partner: UNT Libraries
Studies of Fungal Antagonism in a Norfolk Fine Sand, Denton County, Texas

Studies of Fungal Antagonism in a Norfolk Fine Sand, Denton County, Texas

Date: 1948
Creator: Frenzel, Louis D., Jr.
Description: This investigation has had for its primary purpose the noting of the incidence of antagonists as occurring in a Denton County, Texas, Norfolk Fine Sand. A further interest has been the determination of the effect of these antagonists upon known beneficial soil organisms.
Contributing Partner: UNT Libraries
Edaphic Factors Which Control the Distribution of the Common Mesquite, Prosopis Chilensis (Molina) Stuntz in Denton County, Texas

Edaphic Factors Which Control the Distribution of the Common Mesquite, Prosopis Chilensis (Molina) Stuntz in Denton County, Texas

Date: 1942
Creator: Steph, Harlan J.
Description: This paper deals with the distributional outgrowths of Prosopis chilensis (Molina) Stuntz, the common mesquite, in Denton County, Texas.
Contributing Partner: UNT Libraries
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