Popular Mining Encyclopedia

Popular Mining Magazine articles, Volume I

Popular Mining Encyclopedia Table of Contents Volume I HOW TO STAKE A CLAIM 1 STAKING CLAIMS WITH A RANGE FINDER 3 WHIRLPOOL CONCENTRATOR Centrifugal CONCENTRATORS 6 Open Your Own Assay Office 8 Estimating Gold Values In Placers 9 A Quality Concentrating Table You Can Build 11 PART II 18 Part III 22 Finishing The Table - Part IV 25 MERCURY POISONING -WHAT YOU CAN DO 28 MICRON GOLD AMALGAMATOR 30 SUPER HOT TORCH FROM PIPE 32 Building a Furnace Part II 34 AN ASSAY BALANCE 36 TIPS ON STAYING ALIVE UNDERGROUND 40 NON-CYANIDE LEACHING 42 PRECIPITATING GOLD WITH ZINC 43 Expanded Metal Sluice 45 Learning About Flotation 47 Exploring Old Mines 48 A Vibrating Backpack Sluice 49 Dredging for Gold in North Carolina 50 How to Fire Liquids 52 Improving Your Sluice 53 A Mercury Retort from Pipe 54 More Information On Mercury Retorts 55 Making and Maintaining BABBIT BEARINGS 56 How to do Sampling 59 Lab Centrifugal Concentrator 61 Modified 66 A Poor Man's Rock Crusher 67 Letters to the Editor 67 Idea Corner 68 Running 3 Phase Motors On Single Phase Power 69 Vacuum Dredge Nozzle For Less than $15.00 70 Handling Dynamite 71 Building a Furnace Part III 72 Understanding Sluices Part II 76 SAVING YOUR FUEL 78 BUILDING A BALL MILL 79 How to Do Fire Assays 84 MAKING CUPELS 86 Learning About Flotation Part II 88 GETTING RID OF RATS 90 Special Chemical Assay 91 Tripod Hoist 92 A Little Drain Pipe Sluice 93 Automatic Feed for a Pipe Sluice 93 Pretreatment for a Plastic Sluice 94 Mining with a Slusher 95 Assaying Complex Ores 98 Annual Assessment Work 99 Exploring Old Mines 101 A Homemade Trommel 102 Sluicebox Troubleshooting Guide 103

Table of Contents Volume I

Quartz Cracker 109 Wet Suit Heater 110 Poor Miner's Vacuum System 111 Mine Safety - Lack of Oxygen 111 Railroad Series Laying Rail 113 Investment Money 116 On the Lighter Side...Gold Nuggets 117 Patenting Your Mining Claim 118 Simple Amalgamator 121 A Simple Ball Mill 122 Precious Metal Extraction 123 An Easy to Build Classifier 125 Using a Feather on your Concentrating Table 126 Whirlpool Concentrator, another version 127 1930s Forest Service/Miners Working Together 128 Using Stock 2-Wheel-Drive Vehicles in Off Road Situations 130 Letters to the Editor 132 Water Distribution Box on a Table 134 A Drive for Trommels or Ball Mills 135 Poor Man's Hammer Mill 136 A Simple Scraper 137 Home Built Furnace Torch 137 A Simple Amalgamator 138 Conversion Charts 139 A Simple Dewatering System 140 Acquiring a Mining Claim 141 Safety - Lead 143 Refining High Grade Sulfide Silver Ore 144 Use of Depressants on Your Table 146 The Doodle Bug 147 Sluicebox without Riffles 152 Platinum, the Miracle Metal 154 Sluice Box Riffle System 155 Mounting Adapter for Compressor 155 SUBJECT: Micron Gold 158 Reducing Gold Loss from Concentrates 160 GOLD On Mercury Copper Plates 163 Gold Farms of Peru 164 You Don't Need an Expensive Hot Plate 166 How to Check for Mercury in Your Ore 167 A Simple Scale You Can Build 168 Characteristics of Particles 169 Prospectors' Maps 170 A Simple Concentrating Table 172 How to Wash Leach Residue 173 Electric Gold Panner 175 Railroad Switches You Can Make 176 Extracting Gold from Water 179 Silvering, Silver-plating, Desilvering 180 Increasing Mill Production 181 Diver Control Switch 182 Let’s Talk Clean-up - Stamp Mills 184 A Lift Mechanism for Your Pot Furnace Crucible 186 Determining Platinum Group Metals in Nickel Ores and Concentrates 188

Table of Contents Volume II

A SIMPLE STACKABLE FURNACE 1 ASSAYING MICRON GOLD 2 A Heavy Duty Shaker Screen 4 Safety Data Sheet - Lead Oxide 5 GEOCHEMICAL EXPLORATION 6 A SIMPLE POT FURNACE 7 Idea Corner 9 The Meaning of pH 14 Selecting Hose Size by Flow Capacity 15 AN IDAHO MINERAL JIG 16 DETERMINING SILVER, NICKEL, OR TIN COATINGS 18 Dredge Innovations 19 USING GEOCHEMICAL EXPLORATION FOR PROSPECTING 20 MINING EQUIPMENT - What They’re Used For 22 A Micron 24 SIMPLE METHOD OF ATTACHING GEARS AND PULLEYS 25 OFF ROAD DRIVING SURVIVAL TIPS 26 Temperature Conversions 27 Incompatible Materials in the Lab 28 Letters to the Editor 29 Critical Points on Fire Assaying 32 SILVER...the Noble Metal 35 Sluice Box Addition 36 Tips for Recovering Fine Gold 37 Head box for Sluice 40 A Useful Mixing Unit 42 Flotation Principles 45 Conversion Factors 46 Leaching Silver at pH 5 - pH 7 47 Parkes Process for Desilvering Lead 49 Chart - Tap Drill Sizes 51 Low Budget Brake 52 Hard Rock Drilling Ideas 54 Chart - Recommended Cutting Fluids 55 Sandstone Gold 56 Care and Feeding of Gasoline Powered Rock Drills 57 The Urea Controversy 59 Shaker Deck 60 Prospecting With a Metal Detector 62 Gold Recovery Machine from Australia 63 Air Vibrated Screen from South Africa 70 Dowsing Research Project 71 Rock Crushing Experience 73 Recovering Nitrate Leached Values 75 Conversion Charts 76 VENTURI DATA 77 Mac/Mac Subsurface 5” Sampling Dredge 78 Don’t Overlook Gems 82 Of the Platinum Metals 83 Size Wise 86 Dredge Tilt Indicator 87 TRY THIS WITH YOUR SPIRAL WHEEL.. 89 UTILIZING HYDROCARBON SOLVENTS 90 RECOVERING AND CONCENTRATING GOLD 90

Table of Contents Volume II

GOLD PROSPECTING FUN 92 FOR THE WHOLE FAMILY (AND OTHER USEFUL DATA) 92 POWER JETS 94 BACKPACK "BURRO' 95 Water Conversion Table 97 A LOW COST MAGNETIC SEPARATOR 98 Crucibles, Ten Guides to Safety & Long Service 99 CHOOSING A PROSPECTING CLUB 100 Care of a Small Gas Engine 101 Black Sand Panner 102 A Simple Surface Suction Dredge 103 'QUICK FIX" FOR YOUR FURNACE 103 MODIFYING A TRIPLE SLUICE DREDGE 104 New Aspects in Thiourea Leaching of Precious Metals 107 A BLACK SAND SEPARATOR 109 USING TEFLON WITH CYANIDE 110 PROSPECTING A RIVER 111 FIRE ASSAY VS. TORCH ASSAY 113 FINDING A LOST MINE 116 RECOVERY OF COARSE, FINE, & SUPER-FINE GOLD 118 FROM PLACER GRAVEL DEPOSITS 118 HOW MUCH CABLE FOR A WINCH 121 A Battery Charger Generator 123 A FEW NOTES ON FINE GOLD 124 ROTARY SCREENING PLANT 125 FOR ALLUVIAL GOLD RECOVERY FROM NEW ZEALAND 125 How Many Feet in a Reel? 128 DISCOVER & RECOVER THE NOBLE METALS 129 DRAIN YOUR WATER PUMPS 132 THE MICRON GOLD SLUICE 133 A MINER'S “SEA SAW” FOR BEACH SANDS 136 CHARGED MERCURY 138 BACK SAVER FOR A PICKUP 139 THE ACT OF LEACHING 140 Prospecting Adventure 142 Mining Claims Location and Assessment Work 143 SCREEN YOUR SUMMER FINDS 145 Light Weight Low Cost Dry Washer 147 Sampling and Repeatable Assay Results 148 The Atomic Absorption Spectrophotometer 151 Recovery of Platinum from Used Contact Mass 153 A VERY SPECIAL BREED 157 California Gold Production 1848-1986 158 Chart - Color Scale for High Temperature Ranges 159 Teflon Tape 159 Charts - Melting Points & Weights of Common Metals 160 Chart for Pipe Problems 161 Conversion Charts 162 Man-Sized Waders 163 Gold Refining 165 Ultra Violet Light and Mercury or 166 How to make a mercury detector for ores 166 Water Soluble Values 167 A Crucible Holder for Pouring 168 The Lovett Mine in wenatchee, Wash. 169 MERCURY VAPOR TEST PAPERS 170

Table of Contents Volume II

Building A Kangaroo Tank 171 Handling Lead 173 Field Test on the Universal Water Cyclone (Compound Water Cyclone) 175 The Centrifuge Concentrator 177 The Fusion Fire Assay 178 Lab Corner 179 "High Tech" Shovels & other things 181 Lightweight Dual Powered Dry Washer 183 The Chemistry of Gold 184 The Gold Wheel Fast-Feeder 185 Know Gold to Find Gold 187 Siphone Dredge: Low Cost Alternative to Power Dredges 188 Try A Gold Sandwich! 190 Save Your Back! 195 A Test Tube Filter 196 Whirlpool Concentrator 197 Let's Talk Clean-Up -Cylinder Mills 200 Prospecting for Scheelite - In a “Nutshell” 202 Method of Assaying Sulphide Ores for Au, Ag & Four Pt Metals 204 Lighting - "High Tech" & Low Tech Versions 205 The Amalgam Tube 206 Plans for GAMECo's Original Impact Mill 207 Suction Dredge for Non-Stoopers 208 The Hydraulic Riffle 208 Retorting Mercury 209 A Little Water from a Dry Desert 210 Ionic Values Require New Thinking 211

Table of Contents Volume III Safety Data - Dangers In and Around Abandoned Mines 2 The Scrooper 3 Nifty Uses for Chain 4 A Soil Sampler 8 Idea Corner 9 Lab Corner 17 Electronic Methods of Prospecting 21 Water Valve Idea for a Rocker Table 23 Selecting a Prospecting Location 24 Grades, Slopes & Grade Resistance Chart 25 Safety Data - Lead & Your Health 26 Lab Techniques for Determining Pt Group Metals 28 Modified Low Cost Gravel Feeder 29 Importance of Sampling 30 A New Design for a Mini Sluice 31 Sampling Ore 33 Float Gold & the Bubble 35 Dowsing May Be For You 36 Dowsing May Be For You, Part II 38 Base Metal Oxides in Fire Assaying 40 Sweeping Mill Tailings 42 The Nug-Cup & PVC Header for Your Sluice 44 The Big Dipper - A Newer PVC Header 47 The “Mama Bear” Sluice & Tender 49 Prospecting and Mining Properties 53 Qs & As on Staking Mining Claims 55 A Bypass Gate Valve System 57 Detectors As A Tool in Mining and Prospecting 58 Gold Content of Water 61 On Improving Recovery 63 Using Preglazed Crucibles for PGM Assays 65 Lost Sandstone Gold 67 Speaking From Experience - some basics 68 Wet Assay for Complex Platinum Group Ores 71 Recovery of High Values 72 Mercury Amalgamation Techniques 73 The Spiral Wheel - How Good Are They? 75 A Simple Flow Sheet for Free Milling Gold Ores (or a mill anyone can afford) 77 How Can We Measure Efficiency? 80 Small Gas Engine Fuel Consumption 82 It’s The Cloth That Makes The Drywasher 83 Magnetometry 86 The Gold Bottle 87 Do Ya Do It? 89 Keys to Solvent Safety: Knowledge and Awareness 91 The Stun Gun - A Shock Cure for Snakebite 92 Roughing It 94 Confidential: Further Advanced Fire Assaying 95 How To File A Claim The Hard Way; or I am with the government & I am here to help 96 Procedures for Unique Reclamation Situations 97 Build Yourself a Gas Powered Compressor 101 The Winch and the Deadman 102 Testing of Leach Solutions for Strength 105 Flood Gold 106 Letters to the Editor 107 Ecological Dredging 108 A Low Cost Impact Mill 111 Underwater Mining 113 The Mini-Monster 115 Making Super Concentrates 116

Table of Contents Volume III

Shaker Deck Concentration 117 Refining Scrap Gold 119 Using the Centrifuge Concentrator 123 ARE STUN GUNS THE ANSWER? 131 CHOOSING A DETECTOR FOR NUGGET HUNTING 133 PERILS, PITFALLS & PROSPECTING 135 PLYWOOD & THE DO-IT-YOURSELF MINER 136 BUILD YOUR OWN HOT TORCH & POT FURNACE Additional information 137 LET'S TALK CLEAN-UP GOLD PLANT REDUCTION WORKS 138 THE COLOR OF GOLD 140 VOLATILE GOLD 141 GOLD SWINDLES 142 THE ORETRON 143 Safety- Wear Safety Equipment 147 MINING TODAY IN MEXICO 148 WINCHES 150 EQUIPMENT EFFICIENCY FORM 152 Simple, Substantial Bucket Sizing Screens 154 LEARNING FROM THE "OLD-TIMERS" 155 Comparison of Spray & Drip Leaching Systems 157 NEW SPECIAL METHODS OF ASSAYING 159 Continuous Housekeeping 161 MERCURY POISONING 162 Charts: Cylinder Capacity, Centrifugal Forces & Volumetric Apparatus 163 FINE GOLD THE ULTIMATE CHALLENGE 167 MINERS MOSS 169 GHOST OF THE HASSAYAMPA 171 GO FOR THE FINE GOLD 173 GOLD MINING "DOWN-UNDER" 174 FIRE ASSAYING 177 NEUTRALIZING GASEOUS EFFLUENTS 179 FINE GOLD RECOVERY FROM BLACK SANDS 180 POISONOUS SUBSTANCES 183 LET'S TALK.. . SAMPLING 'N SUMS 185 Chart - Characteristics of Particles 188 Weights of Various Solid Materials 189 Assaying Water 190 BASICS IN FIRE ASSAYING PROCEDURES 191 SNIPING WITH A DETECTOR & DRYWASHER 193 IN TWENTY YEARS . . . .OR SO 195 PLACER SAMPLING ACCURACY 197 Roasting Device for Sulfide Samples 199 Mini-Sluice, Portable 200 TIN OXIDE ASSAY 202 Ancient Relic Found 203 Sizing Feed to Crusher 204 PROSPECT THE PEDIMENTS 205 A BILGE PUMP SNIPING SAND DREDGE 207 SALT AND SILVER 208 BASICS IN FIRE ASSAYING PROCEDURES 209 Common Rock Types 211 Mini-Riffle for Mini-Sluice 212 GLOSSARY 214 MINE SAFETY 1893 215 Try A Screening Unit 217 The Art of Shoring 218 CONCERNING PATENTED CLAIM NAMES 219

Table of Contents Volume III

LET'S TALK SAMPLING AMALGAMATION ASSAY 221 EDITORIAL NEW WAY OF ASSAYING 222 LET'S TALK GRAVITY CONCENTRATION 223 The Enjoyment of Prospecting 225 Hungarian Riffles 226 Check Those Old Mine 228 How PGM's Effect Assay Beads 230

Table of Contents Volume IV

Idea Corner 1 The Weight and Measure of Gold Prills 14 Karat or Carat? What's The Difference? 15 Mercury. . .The Wonder Metal 16 AVOID TIRE PROBLEMS 17 THE BEAR DESIGN " OVERSIZE" FOOT VALVE 19 Sluice Box, Portable 20 A SUMMER TO REMEMBER 22 Environment Benefits from Heap Leaching 24 GOLD PANNING TECHNICALITIES 25 BUILD A MINING RAIL SYSTEM 26 SILVER MINING IN THE BIG CITY 29 SILVER MINING IN THE BIG CITY PART II 32 THE GOLD MINER 36 HydroProspecting 37 Rocker Box 38 THE WATER ACTIVATED PACHUCA TANK 50 GOLD MINING "DOWN UNDER" 51 DEVELOPMENT HISTORY OF HIGH GRADE RECOVERY OF PRECIOUS METALS 53 SOUTH OF THE BORDER 55 LET'S TALK GOLD 56 Gold Is Where You Find It 58 Small North Carolina Gold Mill 59 DETERMINING THIOUREA CONSUMPTION 60 BEARSIGN VISITS THE TRINITY RIVER 61 MINING SAFETY 63 A HOMEDESIGNED VACUUM 65 MINERALS AND NUTRITION 66 EINSTEIN'S THEORY ON GOLD PANNING 68 SPREADING THE GOOD WORD...ABOUT MINING 70 TIPS ON GOLD HUNTING 71 MEADOW LAKE 73 SAFE AND SANE DESERT CAMPING AND PROSPECTING TIPS 75 MORE. . . . ON OFF ROAD DRIVING 77 FORTUNES FROM PLATINUM 79 MARSH & ME 81 Crevice Tools 82 Dredge Nozzle Rock Filter 84 A Useful Incinerator for Garbage 86 EXPLORING 87 MEXICO ON THE MOVE 88 NORTH CAROLINA MAN IN MINING HALL OF FAME 89 THE USE OF MODERN METAL DETECTORS IN HARDROCK MINING APPLICATIONS 90 CHARCOAL CRUCIBLE RECIPE 92 GOLD PROFILES 94 DREDGE SLUICE BOX BACK FEEDER 96 SNIPING 97 Gold/Gravel Screen 98 FLYTRAP 100 IN SEARCH OF PLATINUM 101 The Rod Phenomenon 103 LET'S TALK. . . GRAMS AND SENSE 107 WINTERIZE YOUR EQUIPMENT 109 COMMENTS REGARDING DUKE’S MANUALS 110

Table of Contents Volume IV

METAL DETECTING 113 Gold Bandit 114 MINOR MINERS 116 THE GOLD WAS THERE 118 LOSSES IN THE ASSAYING Popular Mining Magazine articles, Volume IV Copyright © 19842003 Action Mining Services Inc. All rights reserved 503 8269330 & IN THE METALLURGY OF GOLD 119 FINE GOLD A SUCCESSFUL CHALLENGE 120 SLEEPING WARM 124 DIAMONDS 127 A TOUCH OF LIGHTNING 129 SUCTION DREDGE EFFICIENCY 131 ON PUMPS AND PANNING 134 PANNING AND PUMPS PART II 135 Getting To Know Your FourWheel Drive 139 STUN GUN SUPPORT 140 TROUBLES WITH LYME 141 FIRST AID TIPS 143 THE AMERICAN DISCOVERY TRAIL 146 GOLDY GIRL 148 Chart Conversion Factors 150 LET'S TALK.... WATER TURBINES 152 NEFFCO CENTRIFUGE DREDGE SLURRY FEED MANIFOLD 155 HONDURAS 157 Viewer Bucket 158 WHAT IS A “PROSPECTING” MACHINE? 160 DEPTH!!! AT THE RIGHT PRICE 164 SR3 RESIN 167 Sieve Chart 168 SOUTHEAST GOLD PROSPECTING 169 Southeast Gold Prospecting Part II 171 "WHY DO I PAY FOR PROSPECTING INSURANCE"? 174 PROSPECTING FOR ORES OF THE "BIG FIVE" 175 MINING OPPORTUNITIES IN RUSSIA 180 PROSPECTING AND MINE SAFETY 183 FoldUp Sluice/Riffles 184 MEDICAL INTUITIVENESS AND MINING 188 ELECTROPROSPECTING 191 WIRED FOR USE 192 THINGS YOU MIGHT LIKE TO KNOW 196 Helpful Hints: 4WD Shifting Difficulty 196 Let’s Talk Tailings 197 Prospecting Will It Survive? 199 ROCKHOUNDING ON NATIONAL FOREST LAND 200 MERCURY 202 Lab Corner 205 REALLY WHAT IS PANNING,AMALGAMATION & REFINING? 207 Mining Terminology 211 LET'S TALK. . . . TRIBUTING AGREEMENTS 213 LOST GOLD MINES CAN BE FOUND HERE'S HOW! 215 THE FUTURE OF WESTERN MINING 217 JERRY'S HOMEBUILT JAW CRUSHER 220 TUNNELS AND SHAFTS 227 BUTLER LAB SECRET 228 WHY ALLOW YOUR GOLD VALUES TO BE WASHED AWAY! 229 THE AC ELECTROLYTIC PRECIPITATOR 234

Table of Contents Volume IV

MINERAL RESOURCES 236 LOST GOLD DUST BONANZA OF THE MOTHER LODE 239 ON BUILDING A CRUSHER 242 FROM GOLD PANS TO SLUICES 246 Butler Lab Feeder 248 PRECAUTIONS AGAINST "OLD TIME" SALTING (AND PRESENT DAY "ENHANCEMENT") 251 REFINING SILVER FROM SCRAP ALLOY 254 Nevada Gold Production 258 YOUR TRUCK SPARE TIRE 259 The KNUDSEN BOWL (CENTRIFUGAL CONCENTRATOR) 260 U.S. Bureau of Mines Recovering Platinum Group Metals from Automobile Catalytic Converters 261 Will It Table or Jig? These Tests Will Tell 262 Some Virginia City Nevada Information 263 SLUICE BOX EFFICIENCY 266 Clients Find Other Uses For Torch 268 The Miners Most Important Tool 270 PROTECT THOSE LUNGS 271 SMALL DREDGE COARSE GOLD SOUTHERN STYLE 272 Dredge Pan 273 FOR THE GOLD SEEKER 274 ECONOMICAL GOLD RECOVERY RESEARCH 276 Hydraulic Jack Rock Crusher 279 Limerick & Sacramento Canyon Placers 282 ACIDS 285 A California Diamond 286 Recirculating Whirlpool Concentrator 287 Laboratory Ore Grinder 288 FINDING GOLD IN A STREAM 289 Simple Sieve Shaker 290

Letters to the Editor 1 Idea Corner 4 BAD WEATHER EMERGENCY KIT, IN 10 EASY STEPS 10 HYDRAULIC JIG 11 DRYWASHER MODIFICATION 13 THINGS TO REMEMBER WHEN OUT DETECTING 14 Plans Dredge Head for Sluice 19 BUILDING A GASOLINE POWERED BUCKET VACUUM 21 One Big Flake! 25 DISCOLORING ASSAY BEADS 27 Using The Compass Au 2000 28 In Memory of George “Buzzard” Massie 30 Plans Hibanker Elevated Stand 31 More on Scotty, The Assayer 33 Resistance Mineral Tester 36 BUTLER LAB STORY 38 Expanded Metal Riffles 40 The Taking Down of A Mining Scam Artist 41 Soil Sampling 43 The Metric Assay Ton vs. Chandler Assay Ton 45 Back Fill Drywash Holes (And Other Interesting Things) 46 Highbanker Adapter, Type 1 49 Rock Talk 53 Mohs Hardness Scale 54 EQUIPMENT AND HOW TO USE IT 57 RechargeablesTo Discharge or Not (And Other Battery Information) 59 Geologists strive for Common language 62 A Revolving Gold Pocket Creator 63 Materials Selection For Filtration Media 66 FoldUp Mini Sluice Riffles 67 THE NUGGET I FOUND 72 The Lil Dust Devil 73 A Brief History of Measurement Systems 76 Microscopic Gold Prospecting Lab For Under $7500.00 78 Why Locate In Alaska for Projects In RUSSIA? 79 Build Your Own Furnace 81 FoldUp Sluice/Riffles 83 Prospecting With A Geiger Counter 87 PROPERLY PRESENTING YOUR MINING PROPERTY FOR SALE 89 CLEANING UP WITH AN EZ PIKINS® DRYWASHER 91 A Small Portable Water Pump 94 THE POWERS THAT BE 112 Typical Metal Detector Depth Diagram 112 HiDesert Arroyo 113 More on High Benching or "Alaska vs. New Mexico" 115 WHEN DID YOU LAST CHANGE THAT FUEL FILTER??? 117 LET'S TALK.... OCCLUDED GOLD 118 Impact Mill Dust Scrubber 120 THE GREAT DEPRESSION AND SURVIVALIST GOLD PANNING 122 HOW AND WHERE TO FIND GOLD 124 AT LAST A NUGGET DETECTOR, THAT REALLY WORKS 125 Chart Classes of Fire Extinguishers 126 About Night Vision 127 BLM PUBLISHES FINAL RULE FOR $100 MINING CLAIM 129 Chart Shock Hazards & Effects of Current 130

About Impact Mills 131 THE AMAZING GOLD GENIE 134 Desert Heat and Desert Travel Danger 135 A Sluice Box with a Water Pulsar Why and How? 138 GOLD MINING, IT HAPPENS TO THE BEST OF 'EM!! 141 Building A Hydrogen Generator 144 Popular Mining Magazine articles, Volume V Copyright © 19842004 Action Mining Services Inc. All rights reserved 503 8269330 Australian Way to Fingerprint Gold 145 Using Sizing Screen for Classification 146 GOLD!!! Does It Really "Reveal" Itself??? 148 Fishin' Pole Probe and Dowsing Rod 151 Editor's Corner: Are You in the Business of Gold Mining? 152 NEW NEAR INFRARED HIGHTECH DETECTOR 153 How Much Gold Is In That Specimen? 164 "THIOBACILLUS" 166 TOXICOLOGICAL PROPERTIES OF THIOUREA 168 Periodic Table of Elements 170 A CHANGED VIEW Recovering Precious Metals from Complex Ores 171 LET'S TALK: ORE SAMPLE LAB TEST WORK 173 USING VLF DETECTORS 178 DEFENDING YOUR COMPANY IN ENVIRONMENTAL LAW SUITS 183 My Favorite Tool for Fine Panning 185 The Use of Pyrometric Cones in a Furnace 186 HIGHWAY 49 California RIVER PROSPECTING 187 Exploring the Horseshoe Bar and Vicinity 200 KNOWN SPECIAL METHODS OF ASSAYING 201 A Simple Wet Suit Heater 204 SOUPING UP THE GOLD CLAIMER 205 Introduction To Acetylene Torch Assaying 210 A Simple Scrubber 213 A Simple Shaker Sluice Box 214 Calling All Rockhounds 215 Farewell to a Friend.... 216 Emergency Management A Guide for Business & Industry 217 GPS Hand Held Navigation 219 From the GOLD Fields of Northern Colorado 223 Surface Effects Platinum Metals Manifest on Cupel Beads 224 Indiana Gold Prospecting in the Terminal Moraines 226 The Sluice Box 227 Abandoned Claims 229 How to Use the RotoPan, the 21st Century "Panning Dish" 231 The Laboratory Size Pachuca Tank 233 THIS JET REALLY SUCKS! 235 The Way It Was...... 236 10 Minute Hot Showers No Matter Where You Are 237 Long Range Operator Body Response Location or Detection 238 How to soup up your Gold Magic TM Panning machine 240 Meet Rosanne! 241 THE WAY IT WAS... 242 Build Your Own Rock Crusher 243 Concentrating Tables from A to M 244 Field Testing White’s New Goldmaster III 247 The Way it Was...... 252