Picture informations: Stones, concrete

Author(s) Rainer Borcherding
Licence owner Schutzstation Wattenmeer
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Monochrome or patterned, very hard and heavy  

Picture informations: Explosive

Author(s) Kampfmittelräumdienst SH 2014
Licence owner MELUR Kiel
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Explosive  

Picture informations: Rusty sand

Author(s) Rainer Borcherding
Licence owner Schutzstation Wattenmeer
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Rusty sand  

Picture informations: Beach rock

Author(s) Rainer Borcherding
Licence owner Schutzstation Wattenmeer
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Beach rock  

Picture informations: Bones

Author(s) Rainer Borcherding
Licence owner Schutzstation Wattenmeer
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Surface smooth, inside porous, shape variable  

Picture informations: Amber

Author(s) Rainer Borcherding
Licence owner Schutzstation Wattenmeer
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Amber  

Picture informations: Phosphorus

Author(s) Frank Rudolph
Licence owner Frank Rudolph
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Phosphorus  

Picture informations: Copal

Author(s) Marco Maier
Licence owner NABU
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 3.0
Copal  

Picture informations: Jet / lignite

Author(s) user:geni
Licence owner user:geni
Licence statement Copyrighted Material; the copyright remains with the author (not this web publication)
Licence cc-by-sa 2.5
Source Link
Jet / lignite