HOT SPRINGS Analyses of the Waters of The Hot Springs of Arkansas Geological Sketch of Hot Springs, Arkansas

Cover

Introduction

Historical notes
The reservation
The pay bathhouses
The Army and Navy General Hospital
The Government free baths
The character and action of the waters
Physicians
Railroads
The city of Hot Springs

The chemical composition of the waters of the Hot Springs of Arkansas, by J. K. Haywood

Introduction

Methods of examination

Temperature
Flow
Hydrogen sulphide
Nitrogen and oxygen
Carbon dioxide (in excess of that necessary to form normal carbonates)
Carbon dioxide (given off from the bicarbonates when they are evaporated to dryness)
Bicarbonic acid
Nitric acid
Nitrous acid
Free ammonia
Total ammonia
Oxygen-consuming capacity
Total solids
Chlorine
Iodine and bromine
Arsenic acid
Boric acid
Iron, aluminum, and manganese
Silica
Calcium and magnesium
Sulphuric acid, potassium, sodium, and lithium
Phosphoric acid
Fluorine
Barium and strontium
Strontium

Medicinal value of the various salts and gases usually present in mineral waters

Carbonates and bicarbonates

Sodium carbonate and bicarbonate
Potassium carbonate and bicarbonate
Lithium carbonate and bicarbonate
Magnesium carbonate and bicarbonate
Calcium carbonate and bicarbonate
Ferrous and manganous bicarbonates

Chlorides

Sodium chloride
Potassium chloride
Lithium chloride
Magnesium chloride
Calcium chloride
Ferrous chloride
Ammonium chloride

Sulphates

Sodium and magnesium sulphates
Potassium sulphate
Calcium sulphate
Iron and aluminum sulphates

Iodides
Bromides
Phosphates
Borates
Nitrates
Silica
Gases

Nitrogen and oxygen
Carbon dioxide
Hydrogen sulphide

The medical value of thermal waters

Acknowledgments

Analyses

Summary of the results of analyses

Geological sketch of Hot Springs district, Ark., by Walter Harvey Weed

Geographical location

Relation of Hot Springs district to rest of the State

Topograpby

Rocks of the district

The rock structure
Igneous rocks
Fossils

Occurrence of the hot springs

The hot spring tufa deposit

Geologic relations of the hot springs

Are the hot springs dying?

Temperatures
Amount of outflow
Amount of mineral matter carried in solution by the waters

Source of heat