Guyana Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to United States was US$328 during 2025, according to the United Nations COMTRADE database on international trade. Guyana Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to United States - data, historical chart and statistics - was last updated on July of 2026.