▁Sal aman ca ▁Category : Pop ulated ▁places ▁in ▁the ▁Province ▁of ▁Sal aman ca <0x0A> </s> ▁C level ând ia ▁is ▁a ▁municipality ▁in ▁the ▁state ▁of ▁Par an á ▁in ▁the ▁Southern ▁Region ▁of ▁Brazil . ▁Its ▁name ▁is ▁an ▁hom age ▁to ▁American ▁president ▁Gro ver ▁Cleveland . ▁ ▁The ▁municipality ▁contains ▁part ▁of ▁the ▁buffer ▁zone ▁of ▁the ▁ ▁M ata ▁Pre ta ▁E colog ical ▁Station , ▁a ▁fully ▁protected ▁area ▁created ▁in ▁ 2 0 0 5 . ▁ ▁See ▁also ▁List ▁of ▁municipal ities ▁in ▁Par an á ▁ ▁References ▁ ▁Category : M unicip al ities ▁in ▁Par an á <0x0A> </s> ▁An ▁abandoned ▁mine ▁is ▁a ▁mine ▁or ▁quar ry ▁which ▁is ▁no ▁longer ▁producing ▁or ▁oper ational , ▁though ▁definitions ▁vary . ▁ ▁An ▁abandoned ▁mine ▁may ▁be ▁a ▁ha z ard ▁to ▁health , ▁safety ▁or ▁environment . ▁ ▁Haz ards ▁▁ ▁The ▁term ▁incorpor ates ▁all ▁types ▁of ▁old ▁mines ▁including ▁under ground ▁sh aft ▁mines ▁and ▁dr ift ▁mines , ▁and ▁surface ▁mines ▁including ▁quar ries ▁and ▁pla cer ▁min ing ▁. ▁ ▁Ab andon ed ▁mines ▁are ▁found ▁throughout ▁the ▁world . ▁ ▁They ▁contain ▁many ▁ha z ards ▁to ▁the ▁unw ary ▁who ▁vent ure ▁around ▁them , ▁including : ▁▁ ▁Sub s idence ▁( col laps ing ▁ground ) ▁ ▁Bl ast ing ▁caps ▁and ▁other ▁und eton ated ▁explos ives ▁ ▁Black d amp ▁accum ulating ▁in ▁old ▁mines , ▁which ▁can ▁cause ▁suff ocation ▁