Retrospective metal data of the last 100 years deduced by moss, Barbula sp. from Mussoorie city, Garhwal Hills, India

This communication is the first attempt at contributing to monitoring and systematic gathering of information on the heavy metal profile of the environment, i.e. retrospective study of the environmental metal data (Pb, Fe, Zn, Cd and Ni) of the past 100 years, i.e. 1895