Geologists discover fields of salt in Puerto Rico - enough to supply both Americas.
Full title reads: "PUERTO RICO".
Puerto Rico, West Indies.
Long shot of Puerto Rico beach with native people collecting salt. Men using pick-axe to hew walt. Close up shot of pick-axe embedded in salt. Several shots of men shovelling salt into wheelbarrows. Two men on top of sluice gates. Close up shot of sluice gates being raised. Towards, people wheeling barrows of salt. Close up shot of barrow wheel and man's feet. Long shot of line of men wheeling barrows full of salt.