Field geologist tools _"most basic tools of a field geologist:"_ * rock hammer * hand lens * topographic map * field notebook * "Brunton compass":http://www.ascscientific.com/brunton.html http://geology.com/store http://www.ascscientific.com/geology.html http://www.ukge.com/en-us/Field/Field-Lenses-and-Loupes__c-p-0-0-8-43.aspx http://www.ascscientific.com/lens.html