ahoj, recept ti neporadim, mozno by to slo aj "na burana" nejakym duvilaxom.
preco neskusis uz hotove riesenie? impregnace-papiru.htm
potom existuju aj vodeodolne mapy, napr. shocart-krkonose-1-50-000-vodeodolna-mapa
mozno by to slo riesit aj laminovanim, prip. pouzi navigaciu :)