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HMMC Publications©

Our selection of “Gold Mining” books by author Bruce W. Harris.


Quality eBooks on the subject of placer gold mining. Whether you are a novice, weekend warrior, or looking into running a small mining operation, everyone can benefit from these eBooks.  Recreational and small scale mining can be great fun and profitable. Author gives you great insight on this fabulous outdoor recreational sport.

This series has been completely updated.


Kindle format [Print Replica]allows high resolution pictures and complete control of layout & design.

Great for use with home computers, laptops and Kindle Fire tablets!

Apple eBook format allows great picture quality played out in Apple’s awesome new eBook format.   Great for use with all Apple devices including iPhones!

25th Anniversary icon

Book #1 "Gold Placer Geology©"


A great book to help one learn “gold placer geology” from an experienced miner without needing an encyclopedia and dictionary on hand just to understand it. Whether you are drywashing in the desert or high above the waterways working a dry bench placer, highbanking along the shoreline, or dredging underwater you need this book.  To understand gold and how its located in the various landscapes is learning the ability to find it and find it in good amounts.

Product details












Copyright 1992© Special Edition First Published in 2020

Author: Bruce W. Harris

Publisher: Heavy Metal Mining [HMMC], Springfield, MO 

Language: English

Description: Full color & well illustrated


Kindle Format [Print Replica]

Pages: 167

File Size: 108.3 mb

ISBN 13: 978-1-952319-10-5




Apple eBook Format

Pages: 166

File Size: 118 mb

ISBN 13: 978-1-952319-96-9






Item #GPG-20

$12.95 USD

This book includes:

Understanding Gold: Precious metals; gold, silver, & platinum. Lode gold; pocket gold, gold ore, & mine tailings.  Placer gold; the size of placer gold, quartz gold.

Basic Streambed Geology: Placers. The forming of streambeds; the bedrock channel, the streambed (storm layers , natural beds; how a natural bed is formed, understanding natural bed deposits). Types of streambeds; ancient, present, tertiary, & virgin. Water action; types of pressure areas (low, high, & back pressure areas, major & miner pressure areas, pressure areas within pressure areas), Eddies; types of eddies (how eddies work, boil-outs).

Storms & Floods: Rainfall. Floods; water flow (streams natural flow, seasonal flooding, major flooding), how floods work (transportation, deposition, retention, & accumulation).

Gold Deposits: Movement of gold; character of placer gold. Gold route; hidden influences, multiple gold routes, signs during sampling. Types of gold deposits; single deposit, bleed-off deposit (bench placer, lode, tailing), flood gold deposit (true definition, miners interpretation, dredgers interpretation), paystreak deposit (the size of waterway, straight sections of waterway, materials, paystreak boundaries, gold in paystreaks), tributary deposits. 

Book #2 "Finding That Perfect Location©"


Finding the right place to mine for gold.  A geologists look at today's gold-bearing waterways and helping you understand which locations along its length is suitable for good gold deposits.  Factoring in natural obstructions and faults on a location that could contain good amounts of gold.  Evaluating recent and past mining activities on the property; dredged holes, tailings, etc.; and what you can learn from them.  Acceptable agreements to gaining access to mine; buying and leasing a claim property.

Product details

Copyright 1992© Special Edition First Published in 2020

Author: Bruce W. Harris

Publisher: Heavy Metal Mining [HMMC], Springfield, MO 

Language: English

Description: Full color & well illustrated


Kindle Format [Print Replica]

Pages: 172

File Size: 91.5 mb

ISBN 13: 978-1-952319-09-9




Apple eBook Format

Pages: 171

File Size: 102 mb

ISBN 13: 978-1-952319-98-3    






Item #FPL-20

$10.95 USD

This book includes:

Choosing Your Location: Gold country. Open areas. Choosing an area to work; a general area, a general location, a location. Identifying claim ownership. Accessibility; public access areas, club property, private claims & property. Basic acceptable agreements; leasing claims. Working your own claim.

Understanding Your Location & Area: Collecting information; doing research, collecting data (using maps), communication with others; making contact with other miners, gathering information, asking questions, common questions to ask, no more gold. Watching others; observing.

Evaluating A Location: Looking it over; the location, the waterway (the bedrock; faults, swept bedrock, & potholes; the materials; boulder piles, diversion dams, rapids, stream bars, waterfalls), the water.

Worked Areas: Spotting dredged holes; present season (sample holes, production dredging, things to consider), past dredging (what to look for, more help), looking for signs

Understanding Tailings: Tailings; classified materials, identifying the source, common tailings (the gold rush era, recent mining). Well illustrated. Color graphics.

Book #3 "Modern Dredge Sampling©"


Today's modern gold dredge and the art of locating significant gold deposits. Getting into the streamed materials and evaluating the different layers one finds for acceptable amounts of gold.  Going down to bedrock and understanding the different types of gold deposits one may find.  Know your dredge and what you can do to get accurate results from your sampling.  Sampling for a particular deposit and the many techniques used to gain a profit.

Product details

Copyright 1992© Special Edition First Published in 2020

Author: Bruce W. Harris

Publisher: Heavy Metal Mining [HMMC], Springfield, MO 

Language: English

Description: Full color & well illustrated


Kindle Format [Print Replica]

Pages: 164

File Size: 89.1 mb

ISBN 13: 978-1-952319-09-9




Apple eBook Format

Pages: 163

File Size: 100.2 mb

ISBN 13: 978-1-952319-94-5    






Item #MDS-20

$10.95 USD

This book includes:

Getting Into The Materials: Streambed materials; virgin materials, storm layers, hardpans. Bedrock; (false bedrock, ribbons & veins of soft rock, smooth & rough bedrock) elevated sections of bedrock (dikes), cracks & crevices (wandering crevices, parallel crevices, cracks).

Sampling: Ways of finding gold; basic method of locating deposits. Preparations before starting. Dredging sample holes; basic sampling procedure, making a proper sample hole (maximum depth allowance). Once a deposit is found. If the location does not pay; down time, choosing a new location, understanding your area.

More About Sampling: The sluice box & sampling; keeping your sluice box clean, following signs. Dredge size; underwater dredging tubes. Minimum daily acceptable allowance. Being successful at sampling; tips for the beginner.

Sampling For A Particular Deposit: Single deposits; bedrock catch, obstructions (boulders, boulder piles, fallen trees, tree roots). Bleed-off deposits. Flood gold deposits. Paystreak deposits. Tributary deposits.

Is There Any Gold Left?: Gold rush era. Heavily dredged areas; leaving behind acceptable deposits for better, tailings dropped on paydirt, improper cleanup, the nature of deposits, loosing track, gold fever, inexperience.  Well illustrated. Color graphics.

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