Resource Type

Estimate of Known Recoverable Reserves of Coking Coal in Clarion County, Pennsylvania (open access)

Estimate of Known Recoverable Reserves of Coking Coal in Clarion County, Pennsylvania

Report issued by the Bureau of Mines over investigations of coking-coal reserves of Clarion County, Pennsylvania. Methods used, and measurements of coal reserves are listed. This report includes tables, and maps.
Date: May 1956
Creator: Blaylock, D. W.; Dowd, James J.; Abernethy, R. F. & Reynolds, D. A.
System: The UNT Digital Library
Ocher and Ochery Earths (open access)

Ocher and Ochery Earths

Report about ocher or ochery earth, "a natural mineral pigment composed largely of clay permeated with hydrated iron (ferric oxide)" (p. 2). It includes information about the uses of choer, substitutes, artificial ocher, mining and local deposits, import and export of ocher, and related information.
Date: May 1929
Creator: Santmyers, R. M.
System: The UNT Digital Library
Regional Analysis of the Effects of Land Use on Stream Water Quality, Methodology and Application in the Susquehana River Basin, Pennsylvania and New York (open access)

Regional Analysis of the Effects of Land Use on Stream Water Quality, Methodology and Application in the Susquehana River Basin, Pennsylvania and New York

This report presents "a framework is presented for compiling available data for assessing statistical relationships between water quality and several factors of climate, physiography and land use" and includes several maps and graphs.
Date: May 1978
Creator: Lystrom, David J.; Rinella, Frank A.; Rickert, David A. & Zimmermann, Lisa
System: The UNT Digital Library
Regional Stochastic Generation of Streamflows using an Arima (1, 0, 1) Process and Disaggregation (open access)

Regional Stochastic Generation of Streamflows using an Arima (1, 0, 1) Process and Disaggregation

From abstract: An ARIMA (1, 0, 1) model is used to generate annual flow sequence at three sites in the Juniata River basin, Pennsylvania. The study was designed to analyze low-flow frequency characteristics of a basin. The model preserves the mean, variance, and cross-correlations of the observed station data.
Date: May 1979
Creator: Armbruster, Jeffrey T.
System: The UNT Digital Library
Strontium Program: Quarterly Summary Report, May 29, 1959 (open access)

Strontium Program: Quarterly Summary Report, May 29, 1959

From Abstract: "This report is one of a sequence of quarterly reports, each designed to up-date its predecessor beginning with HASL-42, "Environmental Contamination from Weapon Tests". Herein are presented data which have accrued since HASL-55. Levels of strontinum-90 in fallout, milk, air, water, vegetation, foods, and bone are given, based on data available from February 1, 1959 to May 20, 1959."
Date: May 29, 1959
Creator: Hardy, Edward P., Jr. & Klein, Stanley
System: The UNT Digital Library