Early hydrographic surveys consisted of depths calculated by sounding pole and hand direct line, with positions determined by 3-stage sextant fixes to mapped reference details. Direct traces were ropes, or strains, with depth markings and direct weights connected.Echosounders became popular within the 1930s and authorized only one personal to recor… Read More

??? ????? ????? ?????? ??????????? ???? ?????? ???????Selecting an experienced land surveyor may also help identify opportunity concerns with house boundaries, easements, and title errors, guaranteeing a smoother transaction process for purchasing or providing land.Our systems have detected strange targeted traffic from a Laptop community. This w… Read More