From introduction: This report is a brief preliminary study of the mineral resources of a portion of the Piedmont region.

From introduction: This report details the mineral resources of Kenai Peninsula.

From introduction: This report is a summary of the present knowledge of limestone beds in southwestern Pennsylvania.

From introduction: The subject of this paper is the district of the extreme northwestern portion of Illinois, included in the upper Mississippi Valley containing zinc and lead.

From introduction: From introduction: The present report upon the work of this field season is accompanied by topographic and geologic maps of the vicinity of Juneau, and of a mainland strip extending approximately 200 miles along the coast.

From letter of transmittal: This report contains the economic results of a reconnaissance of these gold fields of the Yukon basin which was carried out in 1903.

From introduction: The aim of this paper is to present the substance of what is known concerning the distribution, occurrence, and development of the oil and gas of the quadrangle, and to note briefly the more important industries growing out of these natural resources or depending on them within the territory considered.

From introduction: This report presents the findings of surveys of the extent of the oil fields in the gulf coastal plain.

From letter of transmittal: This manuscript is based on geologic and topographic reconnaissance survey, made during the summer of 1903, of an important placer-gold district in the northeastern part of Seward Peninsula.

From letter of transmittal: It is believed that this report will stimulate the mining industry by making available, in compact form, the accumulated results of the experience of mining men in this field and by directing attention to those mining methods developed in older districts which appear to be adapted to the conditions prevailing in Alaska.

From preface: In planning the surveys and investigations of Alaska, the attempt was made to cover first those regions which were of the greatest economic importance.

An examination of coal deposits along the Yukon River conducted in 1902 mostly along the river banks from Dawson, Yukon to the delta.

From introduction: This report investigates the zinc and lead deposits of the Upper Mississippi Valley.

From introduction: This report contains papers on summaries of progress in various phases of the mining industry during the last year, preliminary accounts of investigations in progress or completed, and statements of the results of minor investigations not to be published elsewhere.

From introduction: Since 1898 the United States Geological Survey has been carrying on a systematic investigation of the mineral resources of Alaska.As the northern mining districts of southeastern Alaska had already been the subject of an investigation by Dr. Becker in 1895,a and as the Ketchikan district was being rapidly developed, it was decided to spend the greater part of the short season in the Ketchikan district and in the fall to make a more hasty reconnaissance of the northern belt, in order to obtain a general familiarity with the region and, if possible, to establish some correlations. This plan was carried out, and the results of the work are embodied in the following report.

From letter of transmittal: The report contains fourteen papers, prepared by ten members of the geologic corps, who have been engaged in Alaskan investigations during the last year. In this report an attempt has been made to summarize the economic results of last season's field work. Geologic matter has been entirely excluded, except where it has a direct bearing on the subjects under discussion. While such a report can have no permanent value, other than as a record of mining conditions during the year, it is believed that its prompt publication will help the mining industry of Alaska.

From letter of transmittal: The report contains 63 contributions from 37 members of the Survey who have been engaged more or less continuously throughout the year in economic work, together with brief statements by the geologists in charge of the section of metalliferous ores and the section of nonmetalliferous economic minerals, of the extent and character of the economic work being carried on in the Survey.

From introduction: In response to an urgent demand by the public, the Geological Survey, in 1900, undertook a topographic and geologic reconnaissance of the southern half of the Seward Peninsula.( The area mapped embraced the more important gold fields of the peninsula. The topographic map made in 1900 included the drainage of Bering Sea from Cape Darby to Port Clarence, the southern drainage of Grantley Harbor and Imuruk Basin, and the northern drainage of Norton Sound. A geologic reconnaissance was also made of the York mining district and of part of the Kuzitrin drainage.