yearAxis = (g, H) => {
g.attr("class", "arc_label").attr(
"transform",
`translate(0, ${H - margin.bottom + 20})`
);
g.append("text")
.attr("class", "subheader")
.attr("x", margin.right)
.attr("text-anchor", "start")
.text(d3.min(yearlyLand, (d) => d.Year));
g.append("text")
.attr("class", "subheader")
.attr("x", width - margin.left)
.attr("text-anchor", "end")
.text(d3.max(yearlyLand, (d) => d.Year));
}